Appleton, Wisconsin
United States
4
2008-10-30
The entities that hold a legal rights for patent applications filed by inventor Ferkel Stephen P.:
Stephen P. Ferkel from Appleton, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Welding power source with automatic variable high frequency
#2 | 2008-05-22Method and apparatus for wireless remote control communication of a welder
#3 | 2008-05-22Method and apparatus for wireless remote control communication of a welder
#4 | 2005-09-22Torch connection detection system and method
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