Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11317752 | Shower/tub wall including a bracketless curtain rod | Robert L. Arnold | 2022-05-03 |
| 7116538 | Modular overload relay system | Steven T. Haensgen, Dallas J. Bergh, Daniel J. Bolda, Gary Lehman | 2006-10-03 |
| 4712661 | Overrunning clutch cage | Frederick E. Lederman | 1987-12-15 |
| 4679676 | Overrunning clutch cage with simplified manufacture | Frederick E. Lederman | 1987-07-14 |