Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232537 | Piano action with articulated jack | — | 2001-05-15 |
| 5945613 | Combination acoustic and electronic piano in which the acoustic action is disabled when played in the electronic mode | — | 1999-08-31 |
| 5866831 | Simulated piano action apparatus for electronic keyboard | — | 1999-02-02 |
| 5844154 | Combination acoustic and electronic piano in which the acoustic action is disabled when played in the electronic mode | — | 1998-12-01 |
| 5763799 | Simulated escapement apparatus for electronic keyboard | — | 1998-06-09 |
| 5567902 | Method and apparatus for optically sensing the position and velocity of piano keys | David R. Wade | 1996-10-22 |
| 5539142 | Combined acoustic and electronic piano in which the acoustic action is disabled when played in the electronic mode | George F. Emerson | 1996-07-23 |
| D357229 | Hand held electronic checklist | John E. Gauch, Jeffrey J. Rampello, Clifford E. Schmucker, William M. Stevens | 1995-04-11 |
| 5267980 | Optical components for an I.V. flow detector | William J. Dirr, Jr. | 1993-12-07 |
| 5251102 | Computer and computer terminals with depending, supporting ridge | — | 1993-10-05 |
| D325903 | Computer terminal | — | 1992-05-05 |
| 4781422 | Adjustable clutch mechanism | — | 1988-11-01 |
| D295519 | Computer terminal | — | 1988-05-03 |
| D273015 | Organ | — | 1984-03-13 |
| D272746 | Organ | — | 1984-02-21 |
| 4387623 | Parallel motion linkage for the sliding keyboard cover of a piano | — | 1983-06-14 |
| 4381690 | Cymbal stand | — | 1983-05-03 |
| D262888 | Organ | — | 1982-02-02 |
| D259199 | Electric guitar | Lawrence J. Kelly | 1981-05-12 |
| D258449 | Electric guitar | — | 1981-03-03 |
| D257727 | Electric guitar | — | 1980-12-30 |
| D254673 | Organ console | — | 1980-04-08 |
| D254674 | Organ console | — | 1980-04-08 |
| D254675 | Organ console | — | 1980-04-08 |
| D254676 | Organ console | — | 1980-04-08 |