Spring, Texas
United States
3
2013-04-11
The entities that hold a legal rights for patent applications filed by inventor Mumma Matthew D.:
Matthew D. Mumma from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Expandable apparatus and related methods
#2 | 2007-01-25Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
#3 | 2006-05-02Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
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