Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310990 | Tunable optical structure featuring feedback control | Martin A. Putnam, Robert N. Brucato, Michael A. Davis, David G. Bellemore | 2001-10-30 |
| 6105690 | Method and apparatus for communicating with devices downhole in a well especially adapted for use as a bottom hole mud flow sensor | Denis P. Biglin, Jr., William Evans Turner | 2000-08-22 |
| 5922058 | Optical transmission system for generating first-edge-based serial data bit stream by inverting control output line at mark times | Neil S. Fishman, Victor E. Shiff | 1999-07-13 |
| 5835388 | Apparatus and method for optical transmission of serial data using a serial communications port | — | 1998-11-10 |
| 5777950 | Method and apparatus for transferring time information to a watch | Lance Becker | 1998-07-07 |
| 5128867 | Method and apparatus for determining inclination angle of a borehole while drilling | — | 1992-07-07 |
| 5034929 | Means for varying MWD tool operating modes from the surface | Martin E. Cobern | 1991-07-23 |
| 5012412 | Method and apparatus for measurement of azimuth of a borehole while drilling | — | 1991-04-30 |
| 4992787 | Method and apparatus for remote signal entry into measurement while drilling system | — | 1991-02-12 |