Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9474664 | Anti-tip and suspension systems for wheelchairs | Christopher Grymko | 2016-10-25 |
| 9351889 | Elevated height wheelchair | Stephen J. Antonishak | 2016-05-31 |
| 9301894 | Anti-tip system for a power wheelchair | Ronald Levi, Christopher Grymko | 2016-04-05 |
| 9267299 | Pool filter systems including pool jet fittings | Sean Walsh | 2016-02-23 |
| 9033360 | Lift mechanism and tilt mechanism for a power wheelchair | Jonathan Davis, John Carminati, David Laslo | 2015-05-19 |
| 8944454 | Dual-track tilt mechanism | Corey Blauch | 2015-02-03 |
| D703338 | Pool jet fitting | Sean Walsh | 2014-04-22 |
| 8408598 | Anti-tip system for a power wheelchair | Ronald Levi, Christopher Grymko | 2013-04-02 |
| 8181992 | Anti-tip system for a power wheelchair | Ronald Levi, Christopher Grymko | 2012-05-22 |
| 7931300 | Anti-tip system for a power wheelchair | Ronald Levi, Christopher Grymko | 2011-04-26 |
| 7726689 | Anti-tip system for a power wheelchair | Ronald Levi, Christopher Grymko | 2010-06-01 |
| 7413038 | Anti-tip system for a power wheelchair | Ronald Levi, Christopher Grymko | 2008-08-19 |
| 7389835 | Active anti-tip system for power wheelchairs | Ronald Levi, Christopher Grymko | 2008-06-24 |
| 7344155 | Adjustable anti-tip wheels for power wheelchair | Ronald Levi, George Leitner | 2008-03-18 |
| 7316282 | Anti-tip system for wheelchairs | Ronald Levi | 2008-01-08 |
| 7311329 | Anti-tip wheel for a wheelchair | — | 2007-12-25 |
| 7264272 | Bi-directional anti-tip system for powered wheelchairs | Michael Rozaieski | 2007-09-04 |
| 7234554 | Rear wheel drive power wheelchair | Charles J. Martis, Gerald White, Kip D. Alder | 2007-06-26 |
| 7232008 | Active anti-tip wheels for power wheelchair | Ronald Levi | 2007-06-19 |
| 7219924 | Rear wheel drive power wheelchair with ground-contacting anti-tip wheels | Charles J. Martis, Gerald White, Kip D. Alder | 2007-05-22 |
| 6938923 | Power wheelchair | Gerald White, Mark E. Smith, Charles J. Martis | 2005-09-06 |
| 6923278 | Adjustable anti-tip wheels for power wheelchair | Ronald Levi, George Leitner | 2005-08-02 |
| 6796568 | Suspension system for a wheelchair | Charles J. Martis, Mark E. Smith | 2004-09-28 |
| 6776430 | Stabilizing system for a reclinable wheelchair | Gerald White, Ronald Levi | 2004-08-17 |
| 6640916 | Mid-wheel drive power wheelchair | Walter E. Schaffner, Stephen J. Antonishak | 2003-11-04 |