Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12115395 | Controlled descender and/or ascender device | Christopher E. Tabor | 2024-10-15 | |
| 11779780 | Controlled ascender/descender device | Christopher E. Tabor | 2023-10-10 | |
| 6944774 | Data flow control unit | Edward English, Dana B. Whitney, Rolland Zeleny | 2005-09-13 | $345,000 |
| 5123360 | Pellet stove with enhanced air circulation efficiency | Terrence M. Burke | 1992-06-23 | |
| D297074 | Purse holder | Elwood Marple | 1988-08-09 | |
| 4550602 | Liquid level marker for container | Elwood Marple, A. Eileen Suisman | 1985-11-05 |