Richmond, Texas
United States
3
2012-12-20
The entities that hold a legal rights for patent applications filed by inventor Befeld William J.:
William J. Befeld from Richmond, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Modular anchoring sub for use with a cutting tool
#2 | 2012-09-06Downhole depth computation methods and related system
#3 | 2008-05-08Downhole depth computation methods and related system
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