Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428888 | Electrical bonding door hinges | William Krietzman, Preston Ellis Hennrich | 2025-09-30 |
| 11920392 | Electrical bonding door hinges | William Krietzman, Preston Ellis Hennrich | 2024-03-05 |
| 11644125 | Method of installing cable finger accessory in a cable manager | Preston Ellis Hennrich, James I. Lawrence, Johnny C. Fraga | 2023-05-09 |
| 11644126 | Method of installing half-spool accessory in a cable manager | Preston Ellis Hennrich, Johnny C. Fraga | 2023-05-09 |
| 11619328 | Method of adapting electronic equipment structure for cable management | Preston Ellis Hennrich, James I. Lawrence, Johnny C. Fraga, Jared Keith Davis | 2023-04-04 |
| 11493151 | Features for cable managers and other electronic equipment structures | Preston Ellis Hennrich, James I. Lawrence, Johnny C. Fraga | 2022-11-08 |
| 11268636 | Features for cable managers and other electronic equipment structures | Preston Ellis Hennrich, Johnny C. Fraga | 2022-03-08 |
| 11162615 | Features for cable managers and other electronic equipment structures | Preston Ellis Hennrich, James I. Lawrence, Johnny C. Fraga | 2021-11-02 |
| 11071227 | Accessory rod assembly for a cable manager | Preston Ellis Hennrich, James I. Lawrence, Johnny C. Fraga, Jared Keith Davis | 2021-07-20 |
| 10271452 | Features for cable managers and other electronic equipment structures | Preston Ellis Hennrich, James I. Lawrence, Johnny C. Fraga, Jared Keith Davis, William Krietzman | 2019-04-23 |
| 9815527 | Marine lift for multi-hull vessels | Alexander Simonis | 2017-11-14 |
| D554228 | Dragonfly fishing lure | — | 2007-10-30 |
| 4875000 | Current fault detection system and method for AC controller | John J. Fry, Edward Bastijanic | 1989-10-17 |
| 4852384 | Automatic calibration and control system for a combined oxygen and combustibles analyzer | Gordon D. Woolbert, Scotty Y. Jewett | 1989-08-01 |
| 4846410 | Apparatus for monitoring low-level combustibles | Scotty Y. Jewett, Gordon D. Woolbert | 1989-07-11 |
| 4778113 | Apparatus for monitoring low level combustibles | Scotty Y. Jewett, Gordon D. Woolbert | 1988-10-18 |
| 4703407 | Power supply for totem pole power switches | John J. Fry, Edward Bastijanic | 1987-10-27 |
| 4692933 | Electro-mechanical integrator | David J. Wroblewski | 1987-09-08 |
| 4655074 | Self-zeroing pressure transmitter with automatic pressure manifold | Edward Bastijanic, Edward L. Sterling, Jr. | 1987-04-07 |
| 4599550 | Digital generation of 3-phase PWM waveforms for variable speed control of induction motor | Stuart Blair Siegel | 1986-07-08 |
| 4583029 | Variable speed resistive network for a pneumatic servo assembly of an electro-pneumatic converter | Jane Smith | 1986-04-15 |
| 4456865 | High torque servo positioner using 3 phase variable frequency constant torque controller | James M. Smith | 1984-06-26 |