Calgary
Canada
4
2021-09-16
The entities that hold a legal rights for patent applications filed by inventor GOSSELIN Randy:
Randy GOSSELIN from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
POSITIVE CEMENT PLACEMENT TOOL
#2 | 2019-03-21Positive cement placement tool
#3 | 2017-12-28Apparatus for reciprocation and rotation of a conveyance string in a wellbore
#4 | 2017-07-13POSITIVE CEMENT PLACEMENT TOOL
1928658 ⎘