Edinburgh
United Kingdom
6
2014-12-04
The entities that hold a legal rights for patent applications filed by inventor Dewar John:
John Dewar from Edinburgh, GB has applied for patents for these inventions. The list has both pending applications and granted patents:
Downhole sealing assembly with swellable seal
#2 | 2012-06-07Downhole Seal
#3 | 2011-08-11Downhole seal
#4 | 2010-12-09Sealing assembly
#5 | 2010-12-02SEALING ASSEMBLY
#6 | 2009-08-13Wellbore delivery apparatus
987495 ⎘