David Krywchuk — 1 Patent at Comcast

David Krywchuk has been granted 1 US patent while listed as an inventor at Comcast. All of these patents were granted in 1985. David Krywchuk ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Krywchuk in Lloydminster, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4520683	Pump jack slant wells	Wayne Haverstock, Peter Masak	1985-06-04

David Krywchuk — 1 Patent

Issued Patents All Time

Patent Widget