Spring, Texas
United States
2
2010-11-04
The entities that hold a legal rights for patent applications filed by inventor Ashby Durell M.:
Durell M. Ashby from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Casting of tungsten carbide matrix bit heads and heating bit head portions with microwave radiation
#2 | 2006-03-09Publicly accessible data method, apparatus and system for electronically distributing performances
3684818 ⎘