Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8191195 | Scratch and dispose apparatus | — | 2012-06-05 |
| 4754640 | Apparatus and method for determining the viscoelasticity of liquids | J. Vincent Fitzgerald, Frank J. Matusik, John L. Schrag | 1988-07-05 |
| 4566181 | Rotational vibratory viscometer transducer and circuit | Frank J. Matusik | 1986-01-28 |
| 4524610 | In-line vibratory viscometer-densitometer | J. Vincent Fitzgerald, Frank J. Matusik | 1985-06-25 |
| 4488427 | Rotational vibratory viscometer transducer and circuit | Frank J. Matusik | 1984-12-18 |
| 4299119 | Incremental rotary viscometer | J. Vincent Fitzgerald, Frank J. Matusik | 1981-11-10 |
| 4188644 | Apparatus for controlling video tape presentation | Richard B. Thiewes | 1980-02-12 |