U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 301/35.53 - Artillery wheel with single-acting retaining means

Subclass of Class 301 - Land vehicles: wheels and axles
Definition: Wheel which is particularly adapted to use in transporting
No. of patents: 0