Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869761 | Filament winding process | Oscar Weingart, Gerald A. Lunde | 1989-09-26 |
| 4822444 | Filament winding mechanism for forming and winding a shingled gap free band | Oscar Weingart, Gerald A. Lunde | 1989-04-18 |