Arnold, Missouri
United States
5
2009-01-15
ROBERT E. WELKER from Arnold, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Alignment and locating tool
#2 | 2007-06-07MAGNETIZED DRILL BIT EXTENSION
#3 | 2006-06-15String magnet advancing tool
#4 | 2005-12-29Magnetic wire pulling system
#5 | 2005-12-29Magnetic wire pulling system
3854953 ⎘