Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9508332 | Guitar amplifier | — | 2016-11-29 |
| D770223 | Foldable grill with offset legs | Theodore Andrew Witzel, Benjamin Michael Harrison | 2016-11-01 |
| 9370276 | Portable stove with removable adjustable legs | Theodore Andrew Witzel, Benjamin Michael Harrison | 2016-06-21 |
| 9184714 | Musical instrument master volume amplifier | — | 2015-11-10 |
| 9096247 | Portable cooking apparatus | Theodore Andrew Witzel, Benjamin Michael Harrison | 2015-08-04 |
| D726491 | Foldable grill with offset legs | Theodore Andrew Witzel, Benjamin Michael Harrison | 2015-04-14 |
| D709315 | Portable stove with removable adjustable legs | Theodore Andrew Witzel, Benjamin Michael Harrison | 2014-07-22 |
| 5555108 | Holographic exposure prism | Stephen T. Babbitt, John E. Wreede | 1996-09-10 |
| 5499116 | Encoded hologram for producing a machine readable image and a human readable image | John E. Wreede, John Gunther, Michael J. Virgadamo, Kevin Yu, Lillian Yin +2 more | 1996-03-12 |
| 5499118 | System for copying multiple holograms | John E. Wreede, David D. Tanaka | 1996-03-12 |
| 5473864 | Method of storing and displaying a document | — | 1995-12-12 |
| 5455693 | Display hologram | John E. Wreede | 1995-10-03 |
| 5155605 | Rotating disk with spatially stabilized images | John E. Wreede, Richard B. Upper | 1992-10-13 |
| 5138470 | Guard holograms | Gaylord E. Moss, John E. Wreede, Kevin Yu | 1992-08-11 |
| 5101193 | Universal stand-alone holographic center high mounted stoplight | Ronald T. Smith, Andrew Daiber, John Gunther, Michael J. Virgadamo, Kevin Yu | 1992-03-31 |
| 4968138 | System for monitoring intensity during holographic exposure | John E. Wreede | 1990-11-06 |
| 4878719 | Automotive wheel covers with spatially stabilized images | John E. Wreede, Richard B. Upper | 1989-11-07 |
| 4853306 | Method and apparatus for dehydrating dichromatic gelatin holograms | John E. Wreede | 1989-08-01 |
| 4826290 | Method of producing stable holograms in dichromatic gelatin | John E. Wreede | 1989-05-02 |
| 4317120 | Sector scan ADF system | W. Ferrel Bentley, Arthur Luedtke | 1982-02-23 |
| 4263597 | Nondisruptive ADF system | Wm. F. Bentley, Arthur Luedtke | 1981-04-21 |