Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843852 | Disposable construction core | William R. Foshee, Ralph P. Palmer | 1989-07-04 |
| D301116 | Bar lock assembly | William R. Foshee | 1989-05-16 |
| 4813254 | Bar lock apparatus | William R. Foshee | 1989-03-21 |