Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9540884 | Drill bit with continuously sharp edge cutting elements | Eric E. McClain, L. Allen Sinor | 2017-01-10 |
| 8720609 | Drill bit with continuously sharp edge cutting elements | Eric E. McClain, L. Allen Sinor | 2014-05-13 |
| 8104550 | Methods for applying wear-resistant material to exterior surfaces of earth-boring tools and resulting structures | James L. Overstreet, Michael L. Doster, Mark E. Morris, Kenneth E. Gilmore, Danielle V. Roberts | 2012-01-31 |
| 8020641 | Drill bit with continuously sharp edge cutting elements | Eric E. McClain, L. Allen Sinor | 2011-09-20 |
| 7836979 | Drill bits and tools for subterranean drilling | James C. Green, Michael L. Doster, Jason E. Hoines, Danielle V. Roberts | 2010-11-23 |
| 7810588 | Multi-layer encapsulation of diamond grit for use in earth-boring bits | Eric E. McClain, Dan E. Scott, Wesley Dean Fuller, Jimmy W. Eason, Marcus Skeem +1 more | 2010-10-12 |
| 7779936 | Staggered compact row on same land | Floyd C. Felderhoff, Yolanda V. Morse | 2010-08-24 |
| 6684514 | Center scribing kit for use with drilling templates | — | 2004-02-03 |
| 6086478 | Hand-held voice game | Daniel B. Klitsner | 2000-07-11 |
| D367675 | Educational model | — | 1996-03-05 |
| 5071115 | Exercise device for simulating walking and stair climbing | — | 1991-12-10 |