| 7490683 |
Curb-climbing power wheelchair |
— |
2009-02-17 |
| 7104346 |
Power wheelchair |
— |
2006-09-12 |
| 6749262 |
Adjustable hinge and support structure |
Walter Watkins |
2004-06-15 |
| 6640916 |
Mid-wheel drive power wheelchair |
James P. Mulhern, Stephen J. Antonishak |
2003-11-04 |
| 6543798 |
Anti-tip caster suspension for a wheelchair |
Walter Watkins, Gerald White |
2003-04-08 |
| 6218140 |
Enhancer for eukaryotic expression systems |
Bernhard Fleckenstein, Frank Weber, Karoline Dorsch-Hasler, Gerhard Jahn, Michael Boshart |
2001-04-17 |
| 6199647 |
Mid-wheel drive power wheelchair |
James P. Mulhern, Stephen J. Antonishak |
2001-03-13 |
| 6186252 |
Foldable midwheel drive power chair |
James P. Mulhern, Gerald White, Stephen J. Antonishak |
2001-02-13 |
| 6176335 |
Power wheelchair |
James P. Mulhern, Stephen J. Antonishak |
2001-01-23 |
| 6129165 |
Curb-climbing power wheelchair |
James P. Mulhern, Stephen J. Antonishak, Gerald White |
2000-10-10 |
| 6000758 |
Reclining lift chair |
Carl A. Kollar, James P. Mulhern, Ronald Levi, Stephen J. Antonishak |
1999-12-14 |
| 5944131 |
Mid-wheel drive power wheelchair |
James P. Mulhern, Stephen J. Antonishak |
1999-08-31 |
| D404693 |
Power wheelchair |
— |
1999-01-26 |
| 5849522 |
Enhancer for eukaryotic expression systems |
Bernhard Fleckenstein, Frank Weber, Karoline Dorsch-Hasler, Gerhard Jahn, Michael Boshart |
1998-12-15 |
| D397645 |
Motorized wheelchair |
— |
1998-09-01 |
| 5695021 |
Electrically-powered scooter for personal transport |
Walter Kochan, Carl A. Kollar |
1997-12-09 |
| D384939 |
Chair control |
— |
1997-10-14 |
| 4983518 |
Eukaryotic expression vectors with multimeric enhancer segments, a process for the preparation thereof and the use thereof |
Nils G. Westin |
1991-01-08 |
| 4968615 |
Deoxyribonucleic acid segment from a virus |
Ulrich Koszinowski, Gunther Keil, Karoline Dorsch-Hasler |
1990-11-06 |
