Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7120943 | Air-burst drain plunger | Howard M. Allenbaugh, Gerard G. Adelmeyer | 2006-10-17 |
| 6922854 | Air-burst drain plunger | Howard M. Allenbaugh, Gerard G. Adelmeyer | 2005-08-02 |
| 6550074 | Air-burst drain plunger | Howard M. Allenbaugh, Gerard G. Adelmeyer | 2003-04-22 |