Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952564 | Multiple-touch sensor | Robert J. Warmack, Rufus H. Richie, Donald W. Bouldin, David Ritchie | 2011-05-31 |
| 7800589 | Touch screen with relatively conductive grid | Rufus Ritchie, Donald W. Bouldin, Robert J. Warmack | 2010-09-21 |
| 7265686 | Touch sensor with non-uniform resistive band | R. H. Ritchie, Robert J. Warmack, Donald W. Bouldin, Joel C. Kent | 2007-09-04 |
| 6650319 | Touch screen based topological mapping with resistance framing design | Rufus Ritchie, Donald W. Bouldin, Robert J. Warmack | 2003-11-18 |
| 5423683 | Instrument simulator system | Harvel A. Wright, John D. Morris | 1995-06-13 |
| 5304065 | Instrument simulator system | Harvel A. Wright, John D. Morris | 1994-04-19 |
| 4699751 | Neutron dosimeter | Harold W. Schmitt, Norbert Thonnard, Tom J. Whitaker | 1987-10-13 |
| 4442354 | Sputter initiated resonance ionization spectrometry | James E. Parks, II, Harold W. Schmitt | 1984-04-10 |
| 4426576 | Method and apparatus for noble gas atom detection with isotopic selectivity | Marvin G. Payne, Chung-Hsuan Chen, James E. Parks, II | 1984-01-17 |