Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9313580 | Audio speaking having an electrostatic membrane pump and methods to use same | Joseph F. Pinkerton | 2016-04-12 |
| 9143868 | Electrically conductive membrane pump/transducer and methods to make and use same | Joseph F. Pinkerton | 2015-09-22 |
| 8755212 | Non-volatile graphene-drum memory chip | Joseph F. Pinkerton | 2014-06-17 |
| 8432212 | Switching element having an electromechanical switch and methods for making and using same | Joseph F. Pinkerton | 2013-04-30 |
| 7425807 | Transient energy systems and methods for use of the same | David Perkins, James A. Andrews, Scott D Logan, Karl Schuetze, Robert S. Hudson | 2008-09-16 |
| 7400052 | Transient energy systems and methods for use of the same | — | 2008-07-15 |
| 7030593 | Multiple path variable speed constant frequency device having automatic power path selection capability | Joseph F. Pinkerton | 2006-04-18 |
| 6844706 | Multiple path variable speed constant frequency device having automatic power path selection capability | Joseph F. Pinkerton | 2005-01-18 |
| 6657320 | Integrated flywheel uninterruptible power supply system | James A. Andrews, Robert L. Fuller, Jr., Randal A. Lee, David Perkins, James R. Pitt +1 more | 2003-12-02 |
| 5520120 | Pallet deck with strain reliefs | — | 1996-05-28 |