Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8735701 | Tone control device for use with a musical instrument and method for making the same | — | 2014-05-27 |
| 8399758 | Tone control device for use with a musical instrument and method for making the same | — | 2013-03-19 |
| 4352101 | Flat panel display system | — | 1982-09-28 |
| 4322659 | Gas-discharge devices and display panels | Alan Sobel, Ralph L. Meyer, David M. Glaser | 1982-03-30 |
| 4227114 | Cathodoluminescent gas discharge image display panel | — | 1980-10-07 |