Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546231 | Creation of a parting zone in a crystal structure | Joseph Nussenbaum | 1985-10-08 |
| 4392476 | Method and apparatus for placing identifying indicia on the surface of precious stones including diamonds | George Kaplan, Joseph Nussenbaum | 1983-07-12 |