Patents per Year
Top Inventors at Science Accessories All Time
Showing 1–7 of 7 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Seymour J. Sindeband | 5 |
| 2 | Robert D. Butler | 4 |
| 3 | Stanley Schorum | 3 |
| #4 | Harold S. Terk | 1 |
| #4 | Joseph A. Howells | 1 |
| #4 | Thomas L. Stone | 1 |
| #4 | William D. Kelly | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Method and apparatus for position determination | $225K | 1991 |
| Apparatus and method for determining travel time of acoustic energy | $136K | 1991 |
| Position determination apparatus | $128K | 1990 |
| Position determining apparatus | $116K | 1991 |
| Apparatus for digitizing positions on a transparency | $86K | 1990 |