Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5546321 | Method and apparatus for the cross-sectional design of multi-layer printed circuit boards | Chi-Shih Chang, Subahu D. Desai, Debra A. Gernhart, Robert J. Haskins, Jr., Keith Ky Trieu Ho +5 more | 1996-08-13 |
| 5519633 | Method and apparatus for the cross-sectional design of multi-layer printed circuit boards | Chi-Shih Chang, Subahu D. Desai, Debra A. Gernhart, Robert J. Haskins, Jr., Keith Ky Trieu Ho +5 more | 1996-05-21 |
| 4374911 | Photo method of making tri-level density photomask | — | 1983-02-22 |