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D & J Development Workshop, Inc. Patents |
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Assignee: D & J Development Workshop, Inc.
Address: Van Nuys, CA
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5649883 |
Racer wheelchair trainer |
July 22, 1997 |
| Wheelchair trainer apparatus for use with a three-wheel racer wheelchair and which may be effectively utilized as part of a computerized system for physiological training and simulated road race training. A jack supports the wheelchair frame such that the drive wheels just make frictiona |
| 5643143 |
Wheelchair trainer |
July 1, 1997 |
| Wheelchair trainer apparatus for use with a four-wheel everyday or sports wheelchair. The trainer includes a support plate carried by the trainer frame for holding the wheelchair front caster wheels in a position such that the wheelchair drive wheels drivably contact a roller with the ce |
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