Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10664990 | Modular virtual reality tracking system for a game console play area | Troy Hieda, Stephen F. Burns | 2020-05-26 |
| 9943149 | Carrying cases | — | 2018-04-17 |
| 7936271 | Anti-tamper cargo container locator system | Lawrence J. Karr, Paul DeRocco | 2011-05-03 |
| 6958457 | Switch lever systems for physically challenged individuals | — | 2005-10-25 |
| 6937229 | Keycap for displaying a plurality of indicia | — | 2005-08-30 |
| 6357940 | Configurable keyguard for use with touch sensitive keyboard | — | 2002-03-19 |
| 6162059 | Problem solving skills development system using tactile recognition | Janice Murphy | 2000-12-19 |
| 6131952 | Cloth book with rigid support | Dan Blau, Vic Cavallaro | 2000-10-17 |
| 6059575 | Tactile recognition input device and overlay for use with an input device | — | 2000-05-09 |
| 5820377 | Block retaining slate for facilitating engagement and alignment of blocks | Gregory P. Basque | 1998-10-13 |
| 5551877 | Symbolic language display sign utilizing tactile and visual pattern discrimination | — | 1996-09-03 |
| 5536170 | Interchangeable symbolic language overlay system for push button operated device | — | 1996-07-16 |
| 5423112 | Method of marking tube to header joint in a vehicle radiator | Darrel C. Christian, Jeffrey M. Bentley | 1995-06-13 |
| 5391078 | Symbolic language teaching and communications system utilizing tactile pattern discrimination | — | 1995-02-21 |
| 5036913 | Vehicle radiator with tube to header joint formed of a composite weld and solder bond | Darrel C. Christian, Jeffrey M. Bentley | 1991-08-06 |
| 4880384 | Braille teaching apparatus | — | 1989-11-14 |