Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4575201 | Method and apparatus for producing folded optical path devices | David E. Christian, C. Eugene McGraw | 1986-03-11 |
| 4547813 | Apparatus for controlling light distribution in line scan optical imaging systems | Cobern E. McGraw, David E. Christian | 1985-10-15 |