Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11930914 | Cylindrical-object holder with belt clip | David M. Kroll | 2024-03-19 |
| 11419406 | Cylindrical-object holder with belt clip | David M. Kroll | 2022-08-23 |
| D893857 | Water bottle holder with belt clip | David M. Kroll | 2020-08-25 |
| D440154 | Bottle inversion cap | David M. Kroll, Robert Engman, Peter A. Laird | 2001-04-10 |
| D431467 | Bottle inversion cap | David M. Kroll, Robert Engman, Peter A. Laird, Michael J. Dooney | 2000-10-03 |
| 6095374 | Closure for supporting a container of viscous liquid | David M. Kroll, Robert Engman | 2000-08-01 |
| 5431078 | Apparatus for slicing a food article | Robert A. Cann | 1995-07-11 |