Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11718064 | Flexible lightweight arc flash and flash fire resistant polyvinylchloride fabric and garments and methods therefor | Brian C. Nutt, Dave Narasimhan, Michael S. Zedalis | 2023-08-08 |
| 11172725 | Boots with polymeric foam shell and exposed sock liner | Robert N. Petersen, Steven A. Smith, Michael S. Zedalis | 2021-11-16 |
| 10856605 | Polyvinyl chloride safety boots | Steven A. Smith, Robert N. Petersen, Wang Sheng Ming | 2020-12-08 |
| 10137662 | Flexible lightweight arc flash and flash fire resistant polyvinylchloride fabric and garments and methods therefor | Brian C. Nutt, Dave Narasimhan, Michael S. Zedalis | 2018-11-27 |
| 7411971 | Systems and methods for the schedule alignment of packet flow | Ilya Freytsis, Paul Sprague | 2008-08-12 |
| 5896951 | Optimization of magnetizing current in linear induction motors | K. Narasimha Reddy, Brian Amend, Donald F. Cominelli, Richard N. Fargo, William F. Brooks, Jr. | 1999-04-27 |
| 5881844 | Secondary positioning system for elevator car doors | Garnett H. Thompson, Richard N. Fargo, David K. Gentzler, Bennie J. Murah, Michael J. Tracey | 1999-03-16 |
| 5444901 | Method of manufacturing silicon pressure sensor having dual elements simultaneously mounted | Walter J. Wiegand, Frank W. Gobetz, Robert H. Bullis, James W. Lennon | 1995-08-29 |
| 5422877 | Dual bus switching | David C. Brajczewski | 1995-06-06 |
| 5360952 | Local area network eleveator communications network | David C. Brajczewski, Bertram F. Kupersmith | 1994-11-01 |
| 5345048 | Elevator speed check using constant ratiometric comparison | — | 1994-09-06 |