Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8614869 | Apparatus, method, and system for integrating ground fault circuit interrupters in equipment-grounded high voltage systems | John Pischl | 2013-12-24 |
| 8605394 | Apparatus, method, and system for monitoring leakage current and detecting fault conditions in electrical systems | Joe P. Crookham, Myron Gordin | 2013-12-10 |
| 8537021 | Apparatus, method, and system for improved control and monitoring of electrical systems | Myron Gordin, Jeffrey A. Jacobson, Timothy D. McGill, Alan W. Sheldon | 2013-09-17 |
| 8537516 | Apparatus, method, and system for monitoring of equipment and earth ground systems | — | 2013-09-17 |
| 8320089 | Apparatus, method, and system for integrating ground fault circuit interrupters in equipment-grounded high voltage systems | John Pischl | 2012-11-27 |
| 5838077 | Control system for switching loads on zero crossing | James H. Gu | 1998-11-17 |
| 4958911 | Liquid crystal display module having housing of C-shaped cross section | John L. Beiswenger | 1990-09-25 |
| D308863 | Fingerprint reader | Leon Soren | 1990-06-26 |
| 4332013 | Characterizable distribution means in a supervisory and control system | Roderick J. Dougherty, Kenneth P. Belau, Robert Old | 1982-05-25 |
| 4227045 | Data processing protocol system | Lawrence J. Dressel | 1980-10-07 |
| 4209840 | Data processing protocol system | James A. Berardi, Lawrence J. Dressel, Bruce D. Westphal | 1980-06-24 |