Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694991 | Motorized scooter wheelchair attachment device | Daniel Mills | 2010-04-13 |
| 5560053 | Independent transfer device | — | 1996-10-01 |
| 4934536 | Envelope assembly | — | 1990-06-19 |
| RE32971 | Envelope assembly | Thomas Dove | 1989-07-04 |
| 4435001 | Envelope assembly | Thomas Dove | 1984-03-06 |