| 8028774 |
Thick pointed superhard material |
David R. Hall, Ronald B. Crockett, Scott Dahlgren, John Bailey |
2011-10-04 |
| 8007050 |
Degradation assembly |
David R. Hall, Ronald B. Crockett |
2011-08-30 |
| 8007051 |
Shank assembly |
David R. Hall, Ronald B. Crockett, Tyson J. Wilde, Jad A. Mills, Scott Dahlgren +1 more |
2011-08-30 |
| 7992944 |
Manually rotatable tool |
David R. Hall, Ronald B. Crockett, Gary Peterson |
2011-08-09 |
| 7992945 |
Hollow pick shank |
David R. Hall, Ronald B. Crockett, Scott Dahlgren |
2011-08-09 |
| 7976239 |
End of a moldboard positioned proximate a milling drum |
David R. Hall, Thomas Morris, Joseph Nielson, Ronald B. Crockett, Gary Peterson +1 more |
2011-07-12 |
| 7976238 |
End of a moldboard positioned proximate a milling drum |
David R. Hall, Thomas Morris, Joseph Nielson, Ronald B. Crockett, Gary Peterson +1 more |
2011-07-12 |
| 7950746 |
Attack tool for degrading materials |
David R. Hall, Ronald B. Crockett, Joe Fox, Michael Barnhill |
2011-05-31 |
| 7866585 |
Rotary shaft impactor |
David R. Hall, Ronald B. Crockett, Tyson J. Wilde |
2011-01-11 |
