4. Rotary expansible chamber devices
  5. Specific material

Hutchins Manufacturing Co.

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Abrading tool

Tools and hardware – Other tools and implements – With relative movement of parts while performing function
Patent

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Device having porous rotor of sintered metal containing polytetr

Rotary expansible chamber devices – Specific material
Patent

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Rotary abrading tool

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Straight line abrading tool with balancing counterweight

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Vacuum cleaner having bag cleaning apparatus

Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent

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Profile ID: LFUS-PAI-P-19858

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