Hollis, Jr.; Ralph L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hollis, Jr.; Ralph L..The latest application filed is for "spherical induction motor".
- Hollis, Jr.; Ralph L. - Pittsburgh PA
- Hollis, Jr.; Ralph L. - Yorktown Heights NY
| Patent | Date |
|---|---|
| Spherical induction motor Grant 9,853,528 - Hollis, Jr. , et al. December 26, 2 | 2017-12-26 |
| Spherical Induction Motor App 20140191626 - Hollis, JR.; Ralph L. ; et al. | 2014-07-10 |
| Closed-loop planar linear motor with integral monolithic three-degree-of-freedom AC-magnetic position/orientation sensor Grant 6,175,169 - Hollis, Jr. , et al. January 16, 2 | 2001-01-16 |
| Ultrafast electro-dynamic X, Y and Theta Positioning Stage Grant 5,153,494 - Hollis, Jr. October 6, 1 | 1992-10-06 |
| Input/output system for computer user interface using magnetic levitation Grant 5,146,566 - Hollis, Jr. , et al. September 8, 1 | 1992-09-08 |
| Magnetically levitated fine motion robot wrist with programmable compliance Grant 4,874,998 - Hollis Jr October 17, 1 | 1989-10-17 |
| Format patterning method for magnetic recording media Grant 4,684,547 - DiStefano , et al. August 4, 1 | 1987-08-04 |
| Piezoelectric x-y-positioner Grant 4,520,570 - Bednorz , et al. June 4, 1 | 1985-06-04 |
| Precision X-Y positioner Grant 4,509,002 - Hollis, Jr. April 2, 1 | 1985-04-02 |
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