Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666032 | Thermally insulated container | John Bernard Pring | 2003-12-23 |
| 4863282 | Sun heat radiation sensor | — | 1989-09-05 |
| 4774838 | Liquid level indicating apparatus | Douglas H. Dayment, William V. Less | 1988-10-04 |