Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755730 | Variable resistance output motor controller | David Sandelman, Daniel Shprecher | 1988-07-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755730 | Variable resistance output motor controller | David Sandelman, Daniel Shprecher | 1988-07-05 |