Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D923279 | Crash barrel lifting basket | — | 2021-06-22 |
| 5291909 | Universal walker leg support device | Steven E. Skorman | 1994-03-08 |
| 4558781 | Cartridge for use in anchor bolting | John M. Murphy, Robert H. Spensley | 1985-12-17 |
| 4455171 | Reactivatable set-inhibited cementitious compositions | Robert H. Spensley | 1984-06-19 |
| 4399911 | Cartridge for use in anchor bolting | John M. Murphy, Robert H. Spensley | 1983-08-23 |
| 4395162 | Cartridge for use in anchor bolting | John M. Murphy, Robert H. Spensley | 1983-07-26 |