Roberta E. Harelstad — 11 Patents at 3M

Roberta E. Harelstad has been granted 11 US patents while listed as an inventor at 3M. The first was granted in 1987 and the most recent in June 2011. Roberta E. Harelstad ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Roberta E. Harelstad in Eagan, MN, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7964264	Adhesion-enhancing surfaces for marking materials	Sundar Rajan, Joey L. Reule	2011-06-21	$92,559,000
6623824	Method for making a microreplicated article using a substrate comprising a syndiotactic vinyl aromatic polymer	William D. Joseph, Lee A. Pavelka, Jaime R. Ojeda, Denise A. Barrera, Bruce A. Sventek	2003-09-23	$13,340,000
6498218	Enhanced dye durability through controlled dye environment	Denise A. Barrera, William D. Joseph, Lee A. Pavelka	2002-12-24
6482510	Digital printable and releasable form construction and composition useful thereto	J. Sundar Rajan, Joey L. Reule, Ramesh C. Kumar	2002-11-19	$15,700,000
6406787	Digital printable and releasable form construction and composition useful thereto	J. Sundar Rajan, Joey L. Reule, Ramesh C. Kumar	2002-06-18	$13,155,000
6395844	Enhanced dye durability through controlled dye environment	Denise A. Barrera, William D. Joseph, Lee A. Pavelka	2002-05-28	$12,113,000
6326072	Release liner incorporating syndiotactic vinyl aromatic polymer	Jaime R. Ojeda, Lee A. Pavelka, William D. Joseph, Bruce A. Sventek, Denise A. Barrera	2001-12-04	$46,691,000
6001936	Dye enhanced durability through controlled dye environment	Denise A. Barrera, William D. Joseph, Lee A. Pavelka	1999-12-14	$28,908,000
5256784	Nonlineaphores and polymers incorporating such nonlineaphores	Cecil V. Francis, Elisa M. Cross, Paul F. Korkowski, Peter C. Leung, David W. Macomber +1 more	1993-10-26	$8,959,000
5185102	Polymeric charge transfer complexes for nonlinear optical applications	Cecil V. Francis, Kenneth M. White	1993-02-09	$11,474,000
4714838	Second harmonic generation with N,N'-substituted barbituric acids	John Stevens	1987-12-22	$18,072,000

Roberta E. Harelstad — 11 Patents

Issued Patents All Time

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