Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905298 | Systems and methods employing a variable angle guide for a drill | — | 2011-03-15 |
| 7438502 | Telescoping underwater guide | — | 2008-10-21 |
| 6783301 | Underwater line bundler | — | 2004-08-31 |
| 6360138 | Pump and customer access terminal interface computer converter to convert traditional pump and customer access terminal protocols to high speed ethernet protocols | David A. Biedermann, Charles Fort | 2002-03-19 |
| 5216357 | Real time solid state register having battery backup | Thomas G. Street, Richard L. Riggs | 1993-06-01 |
| 5010335 | Optical port multiplexer for electric metering equipment | Farrokh Khandaghabadi | 1991-04-23 |
| 4509128 | Solid-state electrical-power demand register and method | George H. Stephens | 1985-04-02 |
| 4355361 | Data processor apparatus for multitariff meter | Richard L. Riggs | 1982-10-19 |