Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858600 | Massaging appliance | Joseph Gross, David Lowenstein, Etan Rosenberg | 1989-08-22 |
| 4794830 | Tool for loosening fasteners | Joseph Gross, David Lowenstein, Etan Rosenberg, Amelia Orian | 1989-01-03 |