Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9877798 | Electric dental handpiece | Joseph A. Lieb, Nathaniel H. Lieb | 2018-01-30 |
| 4623795 | Irradiating device | Nathaniel H. Lieb, Albert D. Alderman, Jr. | 1986-11-18 |
| 4375964 | Dental instrument having a lamp assembly suspension including vibration and thermal isolation means | Leonard Kelly | 1983-03-08 |
| 4315742 | Vibratory device having tool assembly with fluid transport means | John E. Nash | 1982-02-16 |
| D261032 | Dental handpiece | N. Dominic Marucci | 1981-09-29 |
| 4203221 | Gas-driven handpiece having vibration isolating means | John E. Nash, Richard P. Lewis | 1980-05-20 |