Calgary
Canada
4
2012-02-02
The entities that hold a legal rights for patent applications filed by inventor Isnor Sidney J.:
Sidney J. Isnor from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Fixed cutter drill bit for abrasive applications
#2 | 2011-01-13FIXED CUTTER DRILL BIT FOR ABRASIVE APPLICATIONS
#3 | 2008-09-25Fixed cutter drill bit for abrasive applications
#4 | 2007-09-06Fixed cutter drill bit for abrasive applications
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