Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622897 | Pinch-grip hanger | Andrew M. Zuckerman | 2003-09-23 |
| 6609640 | Pinch-grip hanger | — | 2003-08-26 |
| 6134832 | Nest and stack plant pot | Michael Moon, Robert Gumpf, Shannon Mullins, Mike Blomerley, Steve Pavelka | 2000-10-24 |
| 6125577 | Tray for potted plants | Robert G. MERZWEILER | 2000-10-03 |
| 6050027 | Container for shipping young plants or seedlings | Steven W. Pavelka | 2000-04-18 |
| 5373958 | Plastic container with threaded closure | — | 1994-12-20 |
| 4705420 | Cleaning system having cleaning fluid capsule | Samuel C. Heck | 1987-11-10 |
| D291259 | Fluid cartridge for a cleaning tool or the like | Samuel C. Heck | 1987-08-04 |
| D291039 | Cleaning wand caddy | — | 1987-07-28 |
| D288974 | Cleaning wand | John R. Frassanito | 1987-03-24 |
| 4642836 | Cleaning wand | — | 1987-02-17 |
| 4640638 | Cleaning system | Samuel C. Heck | 1987-02-03 |
| 4638910 | Cleaning wand caddy | — | 1987-01-27 |
| 4398888 | Molecular model for chemistry | Stephen D. Darling, Aloysius A. Jendrisak | 1983-08-16 |
| 4325698 | Molecular model for chemistry | Stephen D. Darling, Aloysius A. Jendrisak | 1982-04-20 |