Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4416383 | Closure and sealing device | Carl E. Frahm, Erick L. Larson | 1983-11-22 |
| 4357998 | Between landing car door safety lock | George W. Gibson, Joseph P. Mahon, Stanley M. Wolper | 1982-11-09 |