Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7048809 | Magnetic implement having a linear BH loop | Ryusuke Hasegawa, Vincent H. Hammond | 2006-05-23 |
| 5925507 | Photographic film base and photographic elements | Dennis J. Massa, Wen-Li A. Chen | 1999-07-20 |
| 5916740 | Photographic film base and photographic elements | Dennis J. Massa | 1999-06-29 |
| 4904938 | Method and apparatus for testing characteristics of a floppy disc and a floppy disc drive | Finbar Kavanagh | 1990-02-27 |