Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314334 | Serial data communication system having simplex/duplex interface | John W. Daughton, Frank M. Nelson, Stephen P. Wilczek | 1982-02-02 |
| 4283773 | Programmable master controller communicating with plural controllers | John W. Daughton, Frank M. Nelson | 1981-08-11 |
| 4190350 | Distributed microprocessor control system for a copier/duplicator | James J. Donohue, Charles P. Holt, Andrew Ling, Richard M. Malinich, Frank M. Nelson | 1980-02-26 |
| 4183089 | Data communications system for a reproduction machine having a master and secondary controllers | John W. Daughton, Frank M. Nelson | 1980-01-08 |