Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880665 | Touch control arrangement for graphics display apparatus having saw reflectors of frit composition | Mark Fogelson, Sam H. Kaplan | 1989-11-14 |
| 4859996 | Touch control arrangement for graphics display apparatus | Mark Fogelson, Sam H. Kaplan | 1989-08-22 |
| 4827179 | Mask vibration damping in cathode ray tubes | Peter C. J. Desmares | 1989-05-02 |
| 4825212 | Arrangement for use with a touch control system having a spherically curved touch surface | Peter C. J. Desmares | 1989-04-25 |