Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| RE34765 | Recording medium annealing process | Jerry L. Alexander, Sten R. Gerfast, Charles E. Nelson | 1994-10-25 | |
| 5356664 | Method of inhibiting algae growth on asphalt shingles | William T. Fay, Billy L. George, Christine A. Sobon, Mark H. Kayser | 1994-10-18 | $9,814,000 |
| 4937691 | Recording and/or reproducing apparatus for controlling thermal expansion problems in disk drives | Felix P. Lau, Takehiko Saito | 1990-06-26 | $5,087,000 |
| RE33187 | Stable stretched surface recording medium | Jerry L. Alexander, Sten R. Gerfast, Charles E. Nelson | 1990-03-27 | |
| 4729805 | Recording medium annealing process | Jerry L. Alexander, Sten R. Gerfast, Charles E. Nelson | 1988-03-08 | $13,979,000 |
| 4623570 | Stable stretched surface recording medium | Jerry L. Alexander, Sten R. Gerfast, Charles E. Nelson | 1986-11-18 | $8,923,000 |