Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859345 | Alignment ring for scope | William Johnston, Eric Petterson, Eric David Marvin | 2020-12-08 |
| 10843277 | Portable jig and fixture for precision machining | Robert Edward Huth | 2020-11-24 |
| 10662808 | Apparatus for cleaning a slot | James Bradford Holmes, John William Herbold | 2020-05-26 |
| D884112 | Scope | William Johnston, Eric Petterson, Eric David Marvin | 2020-05-12 |