Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D341721 | Display frame | Gregory J. Wenkman | 1993-11-30 |
| 5216780 | Handgrip for link chain | David E. Lutzke | 1993-06-08 |
| D332895 | Bar condiment tray | — | 1993-02-02 |
| 5075991 | Front-loading display frame | Gregory J. Wenkman | 1991-12-31 |
| 5038935 | Storage and display unit for photographic prints | Gregory J. Wenkman | 1991-08-13 |
| 4979323 | Front-loading display frame | Gregory J. Wenkman | 1990-12-25 |
| 4953747 | Table model napkin dispenser | Gregory J. Wenkman | 1990-09-04 |
| 4921146 | Server top with snap-fit push lever | — | 1990-05-01 |
| 4838454 | Napkin dispenser | Gregory J. Wenkman | 1989-06-13 |
| D300594 | Beverage container holder | Gregory J. Wenkman, Harold E. Blossom | 1989-04-11 |
| 4782972 | Collapsible file box | Gregory J. Wenkman | 1988-11-08 |
| 4718573 | Dispenser for elongated articles | Gregory J. Wenkman | 1988-01-12 |
| 4697780 | Beverage container holder | Gregory J. Wenkman | 1987-10-06 |
| 4528802 | Food wrap sealer | — | 1985-07-16 |
| 4489854 | Dispensing unit for elongated articles | Gregory J. Wenkman | 1984-12-25 |
| D271268 | Pizza oven | James P. Swinehart | 1983-11-08 |
| D271175 | Pizza oven | James P. Swinehart | 1983-11-01 |