Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843679 | X-hinge having the bendable strip ends crimped between two plates | Robert A. M. Maidment | 1989-07-04 |
| 4821373 | Resilient hinge having S-shaped members and a releasable catch | Robert A. M. Maidment | 1989-04-18 |