Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7545582 | Multi-step eyepiece | John Smithbaker, Masashi Kato, Hiroaki Ishigaki | 2009-06-09 |
| 7307798 | Multi-step locking eye cup twist up device | John Smithbaker, Mosashi Kato, Hiroaki Ishigaki | 2007-12-11 |
| 6095328 | Carrying case for binoculars | John Smithbaker, Jon Terry Cox | 2000-08-01 |