Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408256 | Refillable color ink jet cartridge and method for making said cartridge | Robert Keen, Fred Keen | 1995-04-18 |
| 4964910 | Transfer fluid for spirit duplicating systems | Loren Shelffo, Susan P. Ontawar | 1990-10-23 |
| 4407472 | Hose handler-keeper | — | 1983-10-04 |
| D265237 | Fireplace insert | Hugh N. Johnson, Haydn F. Jones | 1982-06-29 |
| D262689 | Hose retaining device | — | 1982-01-19 |
| D258343 | Hand guard for pneumatic, hydraulic tools and the like | — | 1981-02-24 |