Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7306422 | Dual function inboard barrier/bridgeplate assembly for wheelchair lifts | James Robert Dupuy, Alfred L. Budd, James R. Pierrou | 2007-12-11 |
| 6739824 | Dual function inboard barrier/bridgeplate assembly for wheelchair lifts | James Robert Dupuy, Alfred L. Budd, James R. Pierrou | 2004-05-25 |
| 6464447 | Dual function inboard barrier/bridgeplate assembly for wheelchair lifts | James Robert Dupuy, Alfred L. Budd, James R. Pierrou | 2002-10-15 |
| 6238169 | Dual function inboard barrier/bridgeplate assembly for wheelchair lifts | James Robert Dupuy, Alfred L. Budd, James R. Pierrou | 2001-05-29 |
| 6065924 | Wheelchair lift platform having internal gas spring deployment from stowage position | Alfred L. Budd, James R. Pierrou, James Robert Dupuy | 2000-05-23 |
| 5806632 | Spring assist system for gravity deployment of stowed platform wheelchair lifter | Alfred L. Budd, James R. Pierrou | 1998-09-15 |