Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D384299 | Hydrometer | Edmund J. Mowka, Jr. | 1997-09-30 |
| 5011600 | Water filtration system for aquariums | Edmund J. Mowka, Jr., Larry M. Pettengill | 1991-04-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D384299 | Hydrometer | Edmund J. Mowka, Jr. | 1997-09-30 |
| 5011600 | Water filtration system for aquariums | Edmund J. Mowka, Jr., Larry M. Pettengill | 1991-04-30 |