Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D316039 | Combined closure and container for a drying agent | Donald J. Sykes | 1991-04-09 |
| D303087 | Bottle | — | 1989-08-29 |
| D298015 | Recloseable flexible pouring spout for a container | Frederick J. Pritchitt | 1988-10-11 |
| D284865 | Toner cartridge | — | 1986-07-29 |
| 4555023 | Drum containers | Donald J. Sykes | 1985-11-26 |