Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743331 | Spin-welding apparatus | Kenneth R. Clark | 1988-05-10 |
| 4741788 | Method of and apparatus for spin-welding | Kenneth R. Clark, Malcolm G. Collins, Suresh G. Panvalkar | 1988-05-03 |