Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30923 | Calculator keyboard switch with disc spring contact and printed circuit board | Per G. Wareberg, Alan C. Yoder | 1982-05-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30923 | Calculator keyboard switch with disc spring contact and printed circuit board | Per G. Wareberg, Alan C. Yoder | 1982-05-04 |