Montgomery, Texas
United States
4
2008-09-18
The entities that hold a legal rights for patent applications filed by inventor McClain Eric E.:
Eric E. McClain from Montgomery, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Casing and liner drilling bits and reamers
#2 | 2008-06-26Earth boring drill bits with casing component drill out capability and methods of use
#3 | 2006-04-06Earth boring drill bits with casing component drill out capability and methods of use
#4 | 2005-08-25Casing and liner drilling bits
4201323 ⎘