David E. Spaner — 2 Patents at 3M

David E. Spaner has been granted 2 US patents while listed as an inventor at 3M. The first was granted in 2004 and the most recent in April 2011. David E. Spaner ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David E. Spaner in Toronto, ON, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7923429	Treatment for CD5+ B cell lymphoma	Richard L. Miller	2011-04-12	$16,993,000
6733748	Chronic lymphocytic leukemia treatment	—	2004-05-11	$4,172,000

David E. Spaner — 2 Patents

Issued Patents All Time

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