Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5056229 | Sail plotter | — | 1991-10-15 |
| 4595607 | Combined induction heating and coating system for pipe weld joints | John W. Betteridge, Milburn L. Hart, Ronald E. Carlson, Sr. | 1986-06-17 |