RO

Ronald F. Ofstead

3M: 15 patents #1,012 of 11,543Top 9%
SU Surmodics: 8 patents #22 of 104Top 25%
📍 Maplewood, MN: #35 of 510 inventorsTop 7%
🗺 Minnesota: #2,904 of 52,454 inventorsTop 6%
Overall (All Time): #185,777 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8202833 Composition containing biocompatible polymerization accelerator and polymerizable material Dale G. Swan, Stephen J. Chudzik 2012-06-19
8143043 Encapsulated cells using positively-charged initiator polymer Stephen J. Chudzik, Dale G. Swan 2012-03-27
8129159 Attachment of molecules to surfaces Melvin J. Swanson, Dale G. Swan 2012-03-06
7833548 Bioactive agent release coating and controlled humidity method Ralph A. Chappa, Robert W. Hergenrother, Aron B. Anderson, Linh V. Tran, Laurie R. Lawin 2010-11-16
7829317 Attachment of molecules to surfaces Melvin J. Swanson, Dale G. Swan 2010-11-09
7585499 Method for encapsulation of cellular material using a charged initiator polymer Stephen J. Chudzik, Dale G. Swan 2009-09-08
7309593 Attachment of molecules to surfaces Melvin J. Swanson, Dale G. Swan 2007-12-18
7097850 Bioactive agent release coating and controlled humidity method Ralph A. Chappa, Robert W. Hergenrother, Aron B. Anderson, Linh V. Tran, Laurie R. Lawin 2006-08-29
5188688 Method of sealing a gelatin capsule James Boardman 1993-02-23
4977901 Article having non-crosslinked crystallized polymer coatings 1990-12-18
4921908 Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) 1990-05-01
4921884 Hydroxy-substituted polymeric shaped hydrogel article W. James Hammer 1990-05-01
4919662 Hydrogel implant lens construction reconfigured dehydrated re-hydrated in situ Randall L. Knoll, Wilhelm Lewon 1990-04-24
4859719 Polymer blends with high water absorption 1989-08-22
4840992 Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) 1989-06-20
4786446 Process of forming a hydroxy-substitute polymeric shaped article W. James Hammar 1988-11-22
4780514 Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) 1988-10-25
4771089 Polymer blends with high water absorption 1988-09-13
4693939 Article coated with copolymer of poly(vinyl alcohol) 1987-09-15
4694037 Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) 1987-09-15
4673539 Process for thermoformed articles W. James Hammar 1987-06-16
4618649 Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) 1986-10-21
4528325 Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) 1985-07-09