Robert D. DeMaster — 3 Patents at 3M

Robert D. DeMaster has been granted 3 US patents while listed as an inventor at 3M. The first was granted in 1998 and the most recent in April 2006. Robert D. DeMaster ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert D. DeMaster in Afton, MN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7026103	Multicolor imaging using multiphoton photochemical processes	Robert J. DeVoe, Brook F. Duerr, Jonathan P. Kitchin, Dennis E. Vogel	2006-04-11	$37,340,000
6256166	Tape cassette for cleaning VCR heads and transport components	Alexander R. Mitka, John V. Nowicki, Alexander S. Sinclair, Richard E. Skare, Mark W. Weavers	2001-07-03	$27,185,000
5841613	Tape cassette for cleaning VCR heads and transport components	Alexander R. Mitka, John V. Nowicki, Alexander S. Sinclair, Richard E. Skare, Mark W. Weavers	1998-11-24	$15,904,000

Robert D. DeMaster — 3 Patents

Issued Patents All Time

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