Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4664434 | Grouping head hoist | Bruce S. Johnson | 1987-05-12 |
| 4538723 | Battlefield magazine | Bruce S. Johnson | 1985-09-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4664434 | Grouping head hoist | Bruce S. Johnson | 1987-05-12 |
| 4538723 | Battlefield magazine | Bruce S. Johnson | 1985-09-03 |