Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377418 | T-square, and methods of construction and utilizing same | — | 1995-01-03 |
| 4875052 | Adjustable orientation apparatus with simultaneous adjustment of polar and declination angles | Mark M. Tomann | 1989-10-17 |