Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D369751 | Wristwatch with remote speaker | George Yip | 1996-05-14 |
| D320355 | Stop watch | Bernard Fernandez | 1991-10-01 |
| D320356 | Wrist watch | Bernard Fernandez | 1991-10-01 |
| D318239 | Wristwatch | Bernard Fernandez | 1991-07-16 |
| 4612181 | Method of producing crystalline ammonium metatungstate | Donald H. Ennis | 1986-09-16 |
| 4612183 | Method of producing crystalline ammonium metatungstate | Tai K. Kim, Martin B. MacInnis, Donald H. Ennis | 1986-09-16 |
| 4560539 | Removal of ammonia from sodium tungstate solutions | Tai K. Kim, Robin W. Munn, Martin Vogt | 1985-12-24 |
| 4360503 | Recovery of tungsten values from alkali tungstate solutions by solvent extraction | James N. Christini, Martin Vogt | 1982-11-23 |