| 9540886 |
Thick pointed superhard material |
David R. Hall, Ronald B. Crockett, Scott Dahlgren, John Bailey |
2017-01-10 |
| 8998346 |
Attack tool with an interruption |
David R. Hall, Ronald B. Crockett, John Bailey |
2015-04-07 |
| 8770668 |
System and method for exchanging a milling drum assembly |
David R. Hall, Thomas Morris, David Wahlquist, Daniel Balling |
2014-07-08 |
| 8646848 |
Resilient connection between a pick shank and block |
David R. Hall, Gary Peterson, Ronald B. Crockett |
2014-02-11 |
| 8534767 |
Manually rotatable tool |
David R. Hall, Ronald B. Crockett, Gary Peterson |
2013-09-17 |
| 8500209 |
Manually rotatable tool |
David R. Hall, Ronald B. Crockett, Gary Peterson |
2013-08-06 |
| 8500210 |
Resilient pick shank |
David R. Hall, Gary Peterson |
2013-08-06 |
| 8454096 |
High-impact resistant tool |
David R. Hall, Ronald B. Crockett |
2013-06-04 |
| 8449040 |
Shank for an attack tool |
David R. Hall, Ronald B. Crockett |
2013-05-28 |
| 8292372 |
Retention for holder shank |
David R. Hall, Tyson J. Wilde |
2012-10-23 |
| 8256847 |
Rotational milling chamber |
David R. Hall, Thomas Morris, David Wahlquist, Daniel Balling |
2012-09-04 |
| 8201892 |
Holder assembly |
David R. Hall, Tyson J. Wilde |
2012-06-19 |
| 8136887 |
Non-rotating pick with a pressed in carbide segment |
David R. Hall, Ronald B. Crockett, John Bailey |
2012-03-20 |
| 8118371 |
Resilient pick shank |
David R. Hall, Gary Peterson |
2012-02-21 |
| 8109349 |
Thick pointed superhard material |
David R. Hall, Ronald B. Crockett, John Bailey, Scott Dahlgren |
2012-02-07 |
| 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 |
| 7992945 |
Hollow pick shank |
David R. Hall, Ronald B. Crockett, Scott Dahlgren |
2011-08-09 |
| 7992944 |
Manually rotatable tool |
David R. Hall, Ronald B. Crockett, Gary Peterson |
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 |
| 7832808 |
Tool holder sleeve |
David R. Hall, Ronald B. Crockett |
2010-11-16 |
