Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4811193 | Variable frequency controller | John D. Gotal | 1989-03-07 | $2,513,000 |
| 4619356 | Programmable parts feeder | Arthur L. Dean, William R. Brown, James P. Martin, Stanley P. Turcheck, Jr., John D. Gotal | 1986-10-28 | $2,578,000 |
| 4554490 | Variable-frequency dual-motion feeder control using a single phase power source | — | 1985-11-19 | $2,386,000 |
| 4547712 | Subharmonic controller for electromagnetic exciter | John D. Gotal | 1985-10-15 | $9,257,000 |
| 4517500 | Controller for electromagnetic exciter using power line subharmonic | John D. Gotal | 1985-05-14 | $11,889,000 |