Comanche, Oklahoma
United States
4
2009-07-02
The entities that hold a legal rights for patent applications filed by inventor Branch Alton:
Alton Branch from Comanche, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Selectively activated float equipment
#2 | 2008-07-10Ball operated back pressure valve
#3 | 2008-04-10Methods and apparatus for completion of well bores
#4 | 2007-08-09Selectively activated float equipment
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