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DS

David George Schellenberg — 1 Patent

Spruce Grove, CA: #33 of 68 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David George Schellenberg has been granted 1 US patent. All of these patents were granted in 2009. David George Schellenberg ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David George Schellenberg in Spruce Grove, AB, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7527421 Method for tinting a cartridge of caulking material Dwain Anderson, Cindy Mae Gronlund 2009-05-05

Frequent Collaborators

Dwain Anderson1 shared
Cindy Mae Gronlund1 shared

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