4. Supports
  5. Suspended supports
  6. Adjustable

Manfred Ludwig

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Arrangement for test mark positioning in spheric perimeters

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type
Patent

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Clutch for power screwdrivers

Tools – Wrench – screwdriver – or driver therefor – Responsive to torque on work
Patent

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Depth stop for a hand-held screw driving tool

Tools – Wrench – screwdriver – or driver therefor – Responsive to movement of work
Reexamination Certificate

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Electric tool with source of power independent of the line

Tool driving or impacting – Drive control operable by hand engaging manipulating handle
Patent

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Electrically driven hand-held tool

Tool driving or impacting – Means to drive tool about an axis – Gear drive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-509344

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