Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D799304 | Gravity hinge | Mark Fraas | 2017-10-10 |
| 6440335 | Process for molding thermoplastic lenses and, steeply curved and/or thin lenses produced thereby | Jeffrey M. Kingsbury, Robert H. Juul, Martin D. Rolph, Michael Alan Morris, Colin Maurice Perrott +2 more | 2002-08-27 |
| 6284162 | Molding method for manufacturing thin thermoplastic lenses | Jeffrey M. Kingsbury, Robert H. Juul, Martin P. Rolph | 2001-09-04 |
| 4833998 | Collapsible table with foldable leg braces held straight by cables when top is open | James E. Everett | 1989-05-30 |