Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029520 | Head mounted display with lens | Katherine Compton | 2021-06-08 |
| 9459457 | Head mounted display with remote control | Douglas L. Michels, Ronald Lachman | 2016-10-04 |
| 9423827 | Head mounted display for viewing three dimensional images | Katherine Compton, Douglas L. Michels | 2016-08-23 |
| 6354401 | Gutter saver and ladder support | — | 2002-03-12 |
| D286221 | Pilot's training visor | — | 1986-10-21 |
| 4455942 | Training ammunition | Robert W. Tobias | 1984-06-26 |
| 4346515 | Telescopic mating apparatus | William F. Lodding | 1982-08-31 |
| 4277210 | Adjustable angle star feed machining slide | — | 1981-07-07 |
| 4275624 | Internal adjustable grooving bar | — | 1981-06-30 |