Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872136 | Programmable controller input/output communications system | Joseph J. Cieri, Mark Kocher, Ronald E. Gareis, Michael J. Tuso | 1989-10-03 |
| 4799052 | Method for communicating data on a communication network by token passing | Timothy Near, Joseph J. Cieri | 1989-01-17 |