Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5487299 | Apparatus and method for destructive testing of coupons formed from metal | Jeffrey S. Salsman | 1996-01-30 |
| 4799697 | Apparatus for manually moving loads | Joan A. Williamson | 1989-01-24 |
| 4706488 | Method of roll forming cylindrical pipe | — | 1987-11-17 |
| 4628721 | Method of roll forming cylindrical pipe | — | 1986-12-16 |
| 4606208 | Pipe forming apparatus | — | 1986-08-19 |
| 4577796 | Method and apparatus for tracking seam welds on pipes and the like | Joseph E. Powers | 1986-03-25 |
| 4476703 | Edge preforming of metal plate | — | 1984-10-16 |
| 4445357 | Pipe press | Joseph E. Powers, Ranaldo H. Grimoldi, Alfred A. Bottini | 1984-05-01 |
| 4430913 | Cut-off and face machine | — | 1984-02-14 |
| 4398629 | Plate latch and guide system | — | 1983-08-16 |
| 4353235 | Edge preforming of metal plate | — | 1982-10-12 |