Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9169767 | Device for at least partially blocking an opening and forming a seal in the opening | David Mark Allen | 2015-10-27 |
| 9115636 | Evacuation and refilling device for vehicle cooling systems | David Mark Allen | 2015-08-25 |
| 9004304 | Device for at least partially blocking an opening and forming a seal in the opening | David Mark Allen | 2015-04-14 |
| 8052402 | Hand operated pump | Ayzik Grach | 2011-11-08 |
| D628677 | Hand pump | David Mark Allen, Ayzik Grach, Paul G. Conley | 2010-12-07 |