Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9387303 | System for the management of medical tubing | William Barnes | 2016-07-12 |
| 7383852 | Self sealing water trap | Surinderjit Jassell, Simon Robert Payne | 2008-06-10 |
| 7066177 | Exhalation valves | Surinderjit Jassell | 2006-06-27 |
| D319893 | Razor handle | — | 1991-09-10 |
| D301538 | Garden pruner | — | 1989-06-13 |
| D301537 | Garden pruner | — | 1989-06-13 |
| D290925 | Shank for a garden shear | Christopher R. B. Harrison | 1987-07-21 |
| D289250 | Garden pruner | — | 1987-04-14 |
| D288275 | Garden shear | Christopher R. B. Harrison | 1987-02-17 |
| D288166 | Garden shear cuff | — | 1987-02-10 |
| 4494339 | Knife sharpeners | — | 1985-01-22 |
| D269491 | Garden shears | — | 1983-06-28 |
| D269401 | Garden shears | — | 1983-06-21 |
| D268982 | Pruner | Christopher R. B. Harrison | 1983-05-17 |
| D267144 | Pruner | Christopher R. B. Harrison | 1982-12-07 |
| 4341016 | Hand tools | Christopher R. B. Harrison | 1982-07-27 |
| D265376 | Pruner | Christopher R. B. Harrison | 1982-07-13 |
| D265282 | Pruner | Christopher R. B. Harrison | 1982-07-06 |
| D264544 | Pruner | Christopher R. B. Harrison | 1982-05-25 |
| D264545 | Pruner | Christopher R. B. Harrison | 1982-05-25 |
| D264172 | Pruner | Christopher R. B. Harrison | 1982-05-04 |