Spring, Texas
United States
2
2011-05-05
The entities that hold a legal rights for patent applications filed by inventor Rickabaugh David L.:
David L. Rickabaugh from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
BACKUP CUTTING ELEMENTS ON NON-CONCENTRIC EARTH-BORING TOOLS AND RELATED METHODS
#2 | 2011-03-31Earth-boring tools and components thereof including blockage-resistant internal fluid passageways, and methods of forming such tools and components
3360688 ⎘