Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4996487 | Apparatus for detecting failure of thermal heaters in ink jet printers | Ray A. McSparran, James R. Wooden | 1991-02-26 | $17,944,000 |
| D313818 | Pencil holder | — | 1991-01-15 | |
| D289946 | Portable cupboard | — | 1987-05-26 | |
| 4475084 | Nuclear magnetic resonance detector | Robert Hawkes, Geoffrey N. Holland | 1984-10-02 | |
| 4311681 | Method of regenerating phosphoric acid extraction solvent | John S. C. Chiang | 1982-01-19 | $1,681,000 |