Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349157 | Hose-end sprayer | John L. Beiswenger | 1982-09-14 |
| 4333493 | Cartridge feeder for soluble fertilizer | John L. Beiswenger, Howard R. Moon, Dhananjay V. Chaphalkar | 1982-06-08 |