Conroe, Texas
United States
3
2016-04-21
The entities that hold a legal rights for patent applications filed by inventor Sukendro Tjandra:
Tjandra Sukendro from Conroe, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Hybrid rolling cone drill bits and methods for manufacturing same
#2 | 2014-05-29Apparatus and method for retaining inserts of a rolling cone drill bit
#3 | 2014-05-22Hybrid rolling cone drill bits and methods for manufacturing same
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