Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7804486 | Trackball systems and methods for rotating a three-dimensional image on a computer display | — | 2010-09-28 | |
| 7275934 | Magnetic apparatus for demonstration of binary numbers | — | 2007-10-02 | |
| 6670947 | SO3 input device | — | 2003-12-30 | |
| RE33313 | Method for making low alpha count lead | John A. Dunlop, Gerald W. Toop | 1990-08-28 | |
| 4915802 | Method for making low alpha count lead | John A. Dunlop, Edward F. G. Milner, Gerald W. Toop | 1990-04-10 | |
| 4887492 | Method for making low alpha count lead | John A. Dunlop, Edward F. G. Milner, Gerald W. Toop | 1989-12-19 | $4,377,000 |
| 4770698 | Method for making low alpha count lead | John A. Dunlop, Gerald W. Toop | 1988-09-13 | $13,200,000 |
| 4231981 | Cadmium mercury telluride sputtering targets | Horst E. Hirsch | 1980-11-04 |