Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9451400 | Location determination of infrastructure device and terminal device | Robert A. DiFazio, Prabhakar R. Chiptrapu, John M. McNally, Narayan Parappil Menon, Fred Schreider | 2016-09-20 |
| 9301156 | Location determination of infrastructure device and terminal device | Robert A. DiFazio, Prabhakar R. Chitrapu, John M. McNally, Narayan Parappil Menon, Fred Schreider | 2016-03-29 |
| 8818932 | Method and apparatus for creating a predictive model | Mark E. Frymire, Jonathan C. Day, Peter F. David | 2014-08-26 |
| 8458105 | Method and apparatus for analyzing and interrelating data | Mark E. Frymire, Andrew F. David | 2013-06-04 |
| 4470469 | Swivel head for drilling and mining tool | John E. Coakley | 1984-09-11 |
| 4348058 | Method and apparatus for slurry borehole mining | John E. Coakley | 1982-09-07 |
| 4344491 | Apparatus for actuating downhole flow control valves | John E. Coakley | 1982-08-17 |