Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931184 | Apparatus for induction friction solid state welding | David Grant Lingnau | 2011-04-26 |
| 5176433 | Vacuum servo unit for use in traction control | Sean N. Byrnes, Ivan Mortimer, Frank J. Bagley | 1993-01-05 |
| 4391422 | Weight balanced spool carrier | — | 1983-07-05 |
| 4385738 | Portable spool holder | — | 1983-05-31 |