William K. Weimer — 5 Patents at 3M

William K. Weimer has been granted 5 US patents while listed as an inventor at 3M. The first was granted in 1990 and the most recent in November 1999. William K. Weimer ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list William K. Weimer in St. Louis Park, MN, US.

Patents per Year

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Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5981038	Laminate preventing transmissions of viral pathogens	Gretchen E. Keenan, Robert J. Kinney, James S. Mrozinski, Philip D. Radovanovic	1999-11-09
5935370	Method for laminating a viral barrier microporous membrane to a nonwoven web to prevent transmission of viral pathogens	Gretchen E. Keenan, Robert J. Kinney, James S. Mrozinski, Philip D. Radovanovic	1999-08-10
5738111	Method for preventing transmission of viral pathogens	Gretchen E. Keenan, Robert J. Kinney, James S. Mrozinski, Philip D. Radovanovic	1998-04-14	$18,175,000
5690949	Microporous membrane material for preventing transmission of viral pathogens	Gretchen E. Keenan, Robert J. Kinney, James S. Mrozinski, Philip D. Radovanovic	1997-11-25	$12,688,000
4952177	Clamp for electro-surgical dispersive electrode	Gerald E. Drake, Robert L. Goodlad	1990-08-28	$4,264,000

William K. Weimer — 5 Patents

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