Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630422 | Penetrating roofing mechanical fastening sealing system and method | — | 1986-12-23 |
| 4620402 | Penetrating roofing fastening and sealing system | — | 1986-11-04 |
| 4534145 | Attachment device for securing flexible sheets | James H. C. Yang, Walter Tomaszewski | 1985-08-13 |
| 4532744 | Locking device for membrane fastener apparatus | Walter Tomaszewski | 1985-08-06 |
| 4378204 | Mold for making tires | — | 1983-03-29 |
| 4378327 | Method of molding tires | — | 1983-03-29 |
| 4341251 | Tire and method of making | — | 1982-07-27 |
| 4257836 | Pneumatic tire | — | 1981-03-24 |