Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304097 | Retractable utility knife | Donald Gringer | 2025-05-20 |
| 12296433 | Sander clamping mechanism | — | 2025-05-13 |
| 11536037 | Versatile drywall compound tool | — | 2022-12-27 |
| D936419 | Mixing tool implement | — | 2021-11-23 |
| D925327 | Tool handle | — | 2021-07-20 |
| D922169 | Handle of a hand tool | — | 2021-06-15 |
| 10933517 | Knife with screwdriver bit | Donald Gringer | 2021-03-02 |
| 10124624 | Container with attachment | Donald Gringer | 2018-11-13 |
| D791423 | Combination tool | Donald Gringer | 2017-07-04 |
| D785268 | Liner | Donald Gringer | 2017-04-25 |
| D783917 | Paint container | Donald Gringer | 2017-04-11 |
| 9522774 | Blade dispenser | Donald Gringer | 2016-12-20 |
| D773912 | Caulk tool kit | Donald Gringer | 2016-12-13 |
| D764253 | Painting tool | Donald Gringer | 2016-08-23 |
| 9302844 | Blade dispenser | Donald Gringer | 2016-04-05 |
| 9259845 | Carpet cutter assembly | Donald Gringer | 2016-02-16 |
| D744711 | Stackable paint container with pivotable handle | Donald Gringer | 2015-12-01 |
| 9199384 | Razor blade assembly | Donald Gringer | 2015-12-01 |
| D744186 | Paint container with handle | Donald Gringer | 2015-11-24 |
| D736599 | Supporting device for painting | Donald Gringer | 2015-08-18 |
| 9102068 | Multifunction safety knife | Donald Gringer | 2015-08-11 |
| 9027798 | Pouring adaptor assembly compatible with multiple bucket lid configurations | Donald Gringer | 2015-05-12 |
| 8938883 | Cutting implements | Donald Gringer | 2015-01-27 |
| D714633 | Protective package | Donald Gringer | 2014-10-07 |
| D701741 | Utility knife | Donald Gringer | 2014-04-01 |