Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11911653 | Omnidirectional moving surface including motor drive | Neil Epstein | 2024-02-27 | |
| 11724426 | Methods and systems for producing a product utilizing a liner | — | 2023-08-15 | $8,763,000 |
| 11130268 | Methods and systems for producing a product utilizing a liner | — | 2021-09-28 | $23,180,000 |
| 7780573 | Omni-directional treadmill with applications | — | 2010-08-24 | |
| 6152854 | Omni-directional treadmill | — | 2000-11-28 | |
| 5980256 | Virtual reality system with enhanced sensory apparatus | — | 1999-11-09 | |
| 5562572 | Omni-directional treadmill | — | 1996-10-08 | |
| 5490784 | Virtual reality system with enhanced sensory apparatus | — | 1996-02-13 | |
| 5106500 | Portable water purification system including a filter cleaning mechanism | Richard D. Hembree, Brian Francis Sullivan | 1992-04-21 | |
| 4945725 | Differential-area piston type mixed-phase motors | Richard D. Hembree | 1990-08-07 | |
| 4902207 | Energy recovery apparatus | Richard D. Hembree | 1990-02-20 | |
| 4793153 | Energy recovery apparatus | Richard D. Hembree | 1988-12-27 |