North Bay
Canada
4
2018-12-06
The entities that hold a legal rights for patent applications filed by inventor RITTER DAVID ROBERT:
DAVID ROBERT RITTER from North Bay, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Drill rod clamping system and methods of using same
#2 | 2017-06-22Drill rod clamping system and methods of using same
#3 | 2016-12-08Drill rod alignment device and systems and methods of using same
#4 | 2008-12-18Methods and apparatus for joint disassembly
1731176 ⎘