| 11247142 |
Versatile robust construction toy |
Richard F. Roth, Brian Klauber, Joseph George, Susan Klauber |
2022-02-15 |
| 9669324 |
Versatile robust construction toy |
Richard F. Roth, Brian Klauber, Joseph George, Susan Klauber |
2017-06-06 |
| 5902934 |
Phase magnitude signal detector |
Fred P. Sprague, Erik B. Vigmostad |
1999-05-11 |
| 5869752 |
Engine degradation detector |
Erik B. Vigmostad |
1999-02-09 |
| 5711624 |
Keyboard with thumb activated backspace/erase key |
— |
1998-01-27 |
| 5686672 |
Stress and load variation detector |
Erik B. Vigmostad |
1997-11-11 |
| 5675094 |
Load variation detector |
Erik B. Vigmostad |
1997-10-07 |
| 5626427 |
Keyboard with transverse thumb activated cursor control |
Steven W. Hathaway |
1997-05-06 |
| 5620267 |
Keyboard with thumb activated control key |
— |
1997-04-15 |
| 5495774 |
Magnetostrictive torque sensor air gap compensator |
Erik B. Vigmostad, Frederick P. Sprague |
1996-03-05 |
| 5412999 |
Position sensing with magnetostrictive stress sensor |
Erik B. Vigmostad |
1995-05-09 |
| 5358343 |
Keyboard with transversely activated non-alphanumeric keys |
— |
1994-10-25 |
| 5313826 |
Engine misfire, knock or roughness detection method and apparatus |
Erik B. Vigmostad, Frederick P. Sprague, Joseph V. Mandarino |
1994-05-24 |
| 5287735 |
Engine misfire or roughness detection method and apparatus |
Erik B. Vigmostad |
1994-02-22 |
| 5269178 |
Engine misfire, knock of roughness detection method and apparatus |
Erik B. Vigmostad, Frederick P. Sprague |
1993-12-14 |
| 5144846 |
Minimal structure magnetostrictive stress and torque sensor |
Erik B. Vigmostad |
1992-09-08 |
| 5143462 |
Ergonomically effective backspacing method |
— |
1992-09-01 |
| 4979399 |
Signal dividing magnetostrictive torque sensor |
Erik B. Vigmostad |
1990-12-25 |
| 4939937 |
Magnetostrictive torque sensor |
Erik B. Vigmostad |
1990-07-10 |