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Coupling for a snow plow

Excavating – Snow or ice removing or grooming by portable device – With specific means to facilitate connection to – or...
Patent

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Coupling mechanism

Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent

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Course-grooming vehicle with a rear tool carrier

Excavating – Snow or ice removing or grooming by portable device – Snow or ice surface groomer
Reexamination Certificate

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Cross country ski track grooming device

Excavating – Snow or ice removing or grooming by portable device – Snow or ice surface groomer
Patent

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Curb shoe for plow blade

Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Patent

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Cushion stop and method for absorbing bidirectional impact...

Excavating – Snow or ice removing or grooming by portable device – With specific means to facilitate connection to – or...
Reexamination Certificate

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Cushion stop and method for absorbing bidirectional impact...

Excavating – Snow or ice removing or grooming by portable device – Vehicle mount with obstacle responsive trip – or yieldable tool
Reexamination Certificate

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Cutting arrangement for a snow blower

Excavating – Snow or ice removing or grooming by portable device – Motorized rotary excavating tool
Patent

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Cutting edge for a V-blade snowplow

Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Reexamination Certificate

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Cylinder mounting assembly for truck mounted scraper blade

Excavating – Snow or ice removing or grooming by portable device – Including specific hydraulic control system to position...
Reexamination Certificate

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Daptable snow scraper

Excavating – Snow or ice removing or grooming by portable device – Combined or convertible
Patent

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Decelerating fluid actuator for snowplows and other heavy...

Excavating – Snow or ice removing or grooming by portable device – Including specific hydraulic control system to position...
Reexamination Certificate

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Depth indicating and depth controlling devices for earth moving

Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent

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Detachable lifting mechanism for a tracked snow vehicle...

Excavating – Snow or ice removing or grooming by portable device – Including specific hydraulic control system to position...
Reexamination Certificate

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Detachable snow plow assembly

Excavating – Snow or ice removing or grooming by portable device – With specific means to facilitate connection to – or...
Patent

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Device for a load carrying unit

Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent

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Device for attaching earth-working tools to excavating equipment

Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent

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Device for breaking objects consisting of concrete or similar ma

Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent

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Device for filling a hole in an ice rink surface

Excavating – Snow or ice removing or grooming by portable device – Snow or ice surface groomer
Patent

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Device for optimization of the thickness of an ice layer

Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Reexamination Certificate

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