Denise John — 1 Patent at Nov Downhole Eurasia Limited

Denise John has been granted 1 US patent while listed as an inventor at Nov Downhole Eurasia Limited. All of these patents were granted in 2018. Denise John ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Denise John in Cheltenham, GB.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9869131	Drill bit	Stephen Williams, Ryan Basson Graham	2018-01-16