Houston, Texas
United States
4
2014-06-26
The entities that hold a legal rights for patent applications filed by inventor Spencer Max E.:
Max E. Spencer from Houston, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Downhole shifting tool
#2 | 2013-01-31Low stress traction system
#3 | 2009-03-19Low stress traction system
#4 | 2009-03-19Anchoring system for use in a wellbore
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