|
The ornamental design for a ratchet powered wheelchair, as shown and described. |
|||||||||||||||||
FIG. 1 is a top and front perspective view of a ratchet powered wheelchair showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image of that shown;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
| Patent | Priority | Assignee | Title |
| 10076456, | Feb 19 2016 | VELOCHAIR GROUP LLC | Mobile chair apparatus comprising foot pedals |
| 11052001, | Mar 23 2018 | SIMONS, KENNETH A ; VELOCHAIR GROUP LLC | Mobile chair apparatus comprising foot pedals |
| 6820885, | Feb 15 2002 | Wheelchair apparatus | |
| 7641210, | Aug 29 2007 | Hand-driven wheelchair | |
| 7677586, | Mar 30 2007 | Wheelchair drive assembly |
| Patent | Priority | Assignee | Title |
| 3666292, | |||
| 3994509, | Jan 28 1976 | Propulsion means for wheelchairs | |
| 4705284, | May 20 1986 | Brigham Young University | Human powered land vehicle |
| 4762332, | Jun 17 1986 | Byung D., Yim | Wheel chair |
| 4811964, | Sep 25 1987 | Wheelchair propelled by rowing | |
| 5007655, | Jan 05 1990 | Variable speed lever propelled wheelchair | |
| 5020815, | Oct 17 1989 | SCOTT ORTHOTIC LABS, INC , A CORP OF CO | Self-propelled, steerable wheelchair |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |