Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5024512 | Microfilm reader with microfilm and reticle images provided to each of two binocular eyepieces | Harold E. Holden | 1991-06-18 |
| 4849794 | High precision photoreduction process and related apparatus | Harold E. Holden | 1989-07-18 |