Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1005469 | Filter | Kent Stanhope | 2023-11-21 |
| D1004092 | Filter | Kent Stanhope | 2023-11-07 |
| D946733 | Filter frame | Kent Stanhope | 2022-03-22 |
| 11117079 | Filter packs, processes for making filter packs, and air filters comprising filter packs | Kent Stanhope, Rodney K. Michels | 2021-09-14 |
| D852345 | Filter | Kent Stanhope | 2019-06-25 |
| D849913 | Filter | Kent Stanhope | 2019-05-28 |
| D831812 | Filter | Kent Stanhope | 2018-10-23 |
| D829875 | Filter | Kent Stanhope | 2018-10-02 |
| D827118 | Filter | Kent Stanhope | 2018-08-28 |
| D267468 | Extendible snow shovel | — | 1983-01-04 |