Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290157 | Clamp for attaching an aquarium power head | Allan H. Willinger, Robert Ellis, Gene Fleischer | 1994-03-01 |
| 5282727 | Aquarium power head with integral muffler | Allan H. Willinger, Robert Ellis, Gene Fleischer | 1994-02-01 |