Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875816 | Caged fastener | — | 1989-10-24 |
| 4866990 | Threaded fastener test stand | Mark T. Zabawa | 1989-09-19 |
| 4856951 | Fastening assembly for roofs of soft materials | William J. Blucher, Richard J. Ernst | 1989-08-15 |
| 4856954 | Method of thread masking and thread masked part | — | 1989-08-15 |
| 4832234 | Plug | — | 1989-05-23 |