| 7337256 |
Distributed control system with multiple control levels and/or downloading |
Harris D. Kagan, Harold Lake |
2008-02-26 |
| 6671763 |
Distributed control system including a compact easily-extensible and serviceable field controller |
Harris D. Kagan, Harold Lake |
2003-12-30 |
| 6612022 |
Printed circuit board including removable auxiliary area with test points |
Alan A. Gale, Thomas Alden Fiske |
2003-09-02 |
| 6496892 |
Control device with PCMCIA card for communications with field device |
Harold Lake, Charles W. Piper, David P. Prentice |
2002-12-17 |
| 6418499 |
Distributed control system including a compact easily-extensible and serviceable field controller |
Harris D. Kagan, Harold Lake |
2002-07-09 |
| 6324607 |
Distributed control system including a compact, easily-extensible and serviceable field controller |
Harris D. Kagan, Harold Lake |
2001-11-27 |
| 6183289 |
I/O connector module for a field controller in a distributed control system |
Harold Lake, Charles W. Piper, David P. Prentice |
2001-02-06 |
| 6076124 |
Distributed control system including a compact easily-extensible and serviceable field controller |
Harris D. Kagan, Harold Lake |
2000-06-13 |
| 6033257 |
I/O connector module for a field controller in a distributed control system |
Harold Lake, Charles W. Piper, David P. Prentice |
2000-03-07 |
| 6008985 |
Industrial field controlling device with controller and expansion modules |
Harold Lake, David P. Prentice, John Greenup, Charles W. Piper |
1999-12-28 |
| 5917840 |
Protection against communications crosstalk in a factory process control system |
M. Charles Cheney, William M. Slechta, Nathan H. Tobol |
1999-06-29 |
| D394842 |
Field controller housing |
Charles W. Kellstedt, Jr., Harris D. Kagan, Harold Lake |
1998-06-02 |
| 5656782 |
Pressure sealed housing apparatus and methods |
Roger E. Powell, John Angelosanto, Edwin L. Karas |
1997-08-12 |
| 4528675 |
FSK modem for bidirectional loop communications system |
Robert J. Esterling, Clarence L. Freed, Edward L. Weiss |
1985-07-09 |
| 4509117 |
Communications network access rights arbitration |
— |
1985-04-02 |
| 4482980 |
Hybrid optical/electrical data highway |
Francis E. McMenamin |
1984-11-13 |
| 4417303 |
Multi-processor data communication bus structure |
Kurt R. Leichter, Felix J. Houvig |
1983-11-22 |