Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800048 | Die drawing process and apparatus for piezoelectric polymer films and tubes | Richard A. Ferren, Dean Wickwire | 1989-01-24 |
| 4692285 | Process of preparing nonfibrous, piezoelectric polymer sheet of improved activity | Seymour Preis | 1987-09-08 |
| 4592727 | Piezoelectric polymeric film discriminating bite force occlusal indicator | — | 1986-06-03 |
| 4512431 | Weight sensing apparatus employing polymeric piezoelectric film | — | 1985-04-23 |
| 4488873 | Piezoelectric polymeric film occlusal force indicator | Harry Shpuntoff | 1984-12-18 |
| 4406059 | Method for making a piezoelectric transducer | William R. Scott, William T. Weist, Karen M. McMahon | 1983-09-27 |
| 4398173 | Safeness indicator for flexible shafts used in automotive steering mechanisms | Walter Kulischenko | 1983-08-09 |
| 4366768 | Power steering direction sensor | Walter Kulischenko, Richard A. Ferren | 1983-01-04 |
| 4339683 | Electrical connection | William R. Scott, William T. Weist, Karen M. McMahon | 1982-07-13 |