Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5515870 | Thumb and finger sucking prevention device | — | 1996-05-14 |
| 5279448 | Installable and centralized self-contained appliance-like fluid dispensing system | Michael O. Hanlin | 1994-01-18 |
| 4880099 | Tilting reversible belt transfer mechanism | Hendrik Leemkuil | 1989-11-14 |
| 4850555 | Stake and coupler for irrigation device | Jack L. Lemkin, Carl A. Peterson | 1989-07-25 |
| 4809836 | Conveyor retarder | — | 1989-03-07 |
| D286138 | Tray for a garden watering set | Jack L. Lemkin, Carl A. Peterson | 1986-10-14 |
| D285409 | Holder for irrigation tubing | Jack L. Lemkin | 1986-09-02 |
| D284986 | Garden sprinkler head | Jack L. Lemkin | 1986-08-05 |
| D284987 | Combined garden sprinkler and valve | Jack L. Lemkin | 1986-08-05 |
| D284884 | Garden sprinkler | Jack L. Lemkin | 1986-07-29 |
| D283790 | Tray for a garden watering set | Jack L. Lemkin, Carl A. Peterson | 1986-05-13 |
| 4574477 | Hole cutter for plastic tubing | Jack L. Lemkin, Carl A. Peterson | 1986-03-11 |
| 4562865 | Timed water shut-off device | Jack L. Lemkin, Carl A. Peterson | 1986-01-07 |
| D281808 | Timer-shut off valve | Jack L. Lemkin, Carl A. Peterson | 1985-12-17 |