Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1058041 | Cannabis joint holder | — | 2025-01-14 |
| 5907606 | Telephone-line powered coin telephone chassis | David L. Ingalsbe | 1999-05-25 |
| 5318426 | Brick imprinting apparatus | David W. Hanson, Richard C. Nash, Lloyd Barthel, James Barthel | 1994-06-07 |
| 4569620 | Book turn-around and stack accumulator apparatus | — | 1986-02-11 |
| 4505629 | Book binding machine | — | 1985-03-19 |