Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6288839 | Replacement assembly for an image intensifier tube utilizing an input relay lens | John C. Nelson, Albert Efkeman, Don J. Janezco, Roderick L. Snyder | 2001-09-11 | |
| 5347397 | Diopter cell assembly for a binocular viewing system | John C. Nelson, Gary Morgan Vance, Thomas H Pifer | 1994-09-13 | $10,221,000 |