Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6141146 | Night vision goggle with improved optical system | R. Calvin Owen, Jr., Robert M. Burley, by Juliet E. Mason, executrix | 2000-10-31 | $6,823,000 |
| 5994824 | Light weight/small image intensifier tube | Nils I. Thomas, James W. Harris, Walter E. Blouch, Warren David Vrescak, George Hambro +3 more | 1999-11-30 | $5,139,000 |
| 5270545 | External compass module for night vision devices | Earle N. Phillips | 1993-12-14 | $14,677,000 |
| 5204774 | Night vision goggle with improved optical system | R. Calvin Owen, Jr., Robert M. Burley | 1993-04-20 | |
| 5026240 | Charging device | Leon Kozierok | 1991-06-25 | |
| 4676742 | Preheater for reverberatory melting furnaces | Leon Kozierok | 1987-06-30 |