4. Winding, tensioning, or guiding
  5. Coil holder or support
  6. Radially expansible or contractile

Alex B. Vayntrub

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Adjustable self-aligning belt tensioner

Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Guide roll mounted for movement of its axis along arcuate...
Patent

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Digital film scanner

Photography and optical equipment – Photographic accessory – Film processing equipment
Design Patent

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Paper roll drive

Winding – tensioning – or guiding – Coil holder or support – Radially expansible or contractile
Patent

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Photosensitive medium cassette and method of use

Photography – Camera detail – Detachable or removable film holder unit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1125630

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