Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022689 | Suspendable hinged lockable lid storage box | Thomas F. Perdue, Jr., Jeffrey D. Bransky, William S. Carvell, David E. Dettloff, Duane K. Ischay | 1991-06-11 |
| 4976373 | Suspendable hinged lockable lid storage box | Thomas E. Perdue, Jr., Jeffrey D. Bransky, William S. Carvell, David E. Dettloff, Duane K. Ischay | 1990-12-11 |
| 4423976 | Sheet lifter | Walter Feldmahr | 1984-01-03 |