Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6087930 | Active integrated circuit transponder and sensor apparatus for transmitting vehicle tire parameter data | John H. Schramm | 2000-07-11 |
| 5731754 | Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data | James Lee, John H. Schramm | 1998-03-24 |
| 5483827 | Active integrated circuit transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data | John H. Schramm | 1996-01-16 |