Schaffner; Walter E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schaffner; Walter E..The latest application filed is for "curb-climbing power wheelchair".
- Schaffner; Walter E. - Shavertown PA
- Schaffner; Walter E. - Lehman PA
| Patent | Date |
|---|---|
| Curb-climbing power wheelchair App 20100170730 - Schaffner; Walter E. | 2010-07-08 |
| Curb-climbing power wheelchair Grant 7,490,683 - Schaffner February 17, 2 | 2009-02-17 |
| Power wheelchair Grant 7,104,346 - Schaffner September 12, 2 | 2006-09-12 |
| Curb-climbing power wheelchair App 20050127631 - Schaffner, Walter E. | 2005-06-16 |
| Power wheelchair App 20040188152 - Schaffner, Walter E. | 2004-09-30 |
| Adjustable hinge and support structure Grant 6,749,262 - Schaffner , et al. June 15, 2 | 2004-06-15 |
| Mid-wheel drive power wheelchair Grant 6,640,916 - Schaffner , et al. November 4, 2 | 2003-11-04 |
| Anti-tip caster suspension for a wheelchair Grant 6,543,798 - Schaffner , et al. April 8, 2 | 2003-04-08 |
| Anti-tip caster suspension for a wheelchair App 20020030343 - Schaffner, Walter E. ; et al. | 2002-03-14 |
| Adjustable hinge and support structure App 20020005659 - Schaffner, Walter E. ; et al. | 2002-01-17 |
| Mid-wheel drive power wheelchair App 20010011613 - Schaffner, Walter E. ; et al. | 2001-08-09 |
| Mid-wheel drive power wheelchair Grant 6,199,647 - Schaffner , et al. March 13, 2 | 2001-03-13 |
| Foldable midwheel drive power chair Grant 6,186,252 - Schaffner , et al. February 13, 2 | 2001-02-13 |
| Power wheelchair Grant 6,176,335 - Schaffner , et al. January 23, 2 | 2001-01-23 |
| Curb-climbing power wheelchair Grant 6,129,165 - Schaffner , et al. October 10, 2 | 2000-10-10 |
| Reclining lift chair Grant 6,000,758 - Schaffner , et al. December 14, 1 | 1999-12-14 |
| Mid-wheel drive power wheelchair Grant 5,944,131 - Schaffner , et al. August 31, 1 | 1999-08-31 |
| Power wheelchair Grant D404,693 - Schaffner January 26, 1 | 1999-01-26 |
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