Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888726 | Distributed processing in a cluster of industrial controls linked by a communications network | Barry E. Sammons | 1989-12-19 |
| 4882702 | Programmable controller with I/O expansion module located in one of I/O module positions for communication with outside I/O modules | Mark Luboski, Timothy J. Murphy | 1989-11-21 |