Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5095727 | Roller burnishing tool for effecting diminishing stress reversal on annular workpieces | Michael Burr, Farin L. Derrick | 1992-03-17 |
| 5094435 | Flange alignment tool and method | Warren B. Depperman, Timothy C. Dearman | 1992-03-10 |
| 4890473 | Contracting rim clamp | Warren B. Depperman, Philip Gordon Smith | 1990-01-02 |
| 4268209 | Vehicle carrier for collapsible vehicle | — | 1981-05-19 |
| 4257402 | Evacuated solar receiver utilizing a heat pipe | — | 1981-03-24 |