Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5083161 | Densitometer for measuring developability | Michael D. Borton, Fred F. Hubble, III, James P. Martin, Ralph A. Shoemaker | 1992-01-21 |
| 5078497 | Densitometer for a liquid developer material | Michael D. Borton, Fred F. Hubble, III, James P. Martin, Ralph A. Shoemaker | 1992-01-07 |
| 4989985 | Densitometer for measuring specular reflectivity | Fred F. Hubble, III | 1991-02-05 |