Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651362 | Convertible sofa-bed | Marvin Alperin | 1987-03-24 |
| 4410160 | Means and method for attaching fan and fixture units or the like substantially flush with a ceiling | Marvin Alperin | 1983-10-18 |