Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4896366 | T-shirt bag closure | — | 1990-01-23 |
| 4811545 | Tag dispensing apparatus | — | 1989-03-14 |
| 4454904 | Strip curtain for display cases | — | 1984-06-19 |
| 4384606 | Environmental strip curtain | Calvin H. Johnston | 1983-05-24 |