Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303524 | Interchangeable circuit module for a portable hand-held computer | George Siegner | 1989-09-19 |
| D302265 | Portable hand-held computer | George Siegner | 1989-07-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303524 | Interchangeable circuit module for a portable hand-held computer | George Siegner | 1989-09-19 |
| D302265 | Portable hand-held computer | George Siegner | 1989-07-18 |