Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172639 | Cornering pipe traveler | Richard M. Wiesman, Richard R. Fontana, Bruce B. Gamble, Robert T. Hsiung, Steven J. Kozminski | 1992-12-22 |
| 4993503 | Horizontal boring apparatus and method | Thomas H. Mann, Allan T. Fisk | 1991-02-19 |
| 4433527 | Heat sealing film cut-off device | Harold E. Ramsey | 1984-02-28 |