SJ

Sanford Cobb, Jr.

3M: 54 patents #121 of 11,543Top 2%
📍 Lakeland, MN: #2 of 61 inventorsTop 4%
🗺 Minnesota: #738 of 52,454 inventorsTop 2%
Overall (All Time): #46,297 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDate
8588574 Backlight with structured surfaces Mark E. Gardiner, Kenneth A. Epstein, Wade D. Kretman 2013-11-19
7873256 Backlight with structured surfaces Mark E. Gardiner, Kenneth A. Epstein, Wade D. Kretman 2011-01-18
7852560 Display incorporating reflective polarizer Andrew J. Ouderkirk, Olester Benson, Jr., Michael F. Weber, Carl A. Stover, David I. Wortman 2010-12-14
7833593 High efficiency optical devices Andrew J. Ouderkirk, Michael F. Weber, David L. Wortman 2010-11-16
7423708 Display having a reflective polarizer Michael F. Weber, Olester Benson, Jr., James M. Jonza, Andrew J. Ouderkirk, David L. Wortman +1 more 2008-09-09
RE40227 Totally internally reflecting thin, flexible film 2008-04-08
7221847 Optical elements having programmed optical structures Mark E. Gardiner, Kenneth A. Epstein, Wade D. Kretman 2007-05-22
7147903 High efficiency optical devices Andrew J. Ouderkirk, Michael F. Weber, David L. Wortman 2006-12-12
7046905 Blacklight with structured surfaces Mark E. Gardiner, Wade D. Kretman 2006-05-16
7038745 Brightness enhancing reflective polarizer Michael F. Weber, Olester Benson, Jr., James M. Jonza, Andrew J. Ouderkirk, David L. Wortman +1 more 2006-05-02
6934082 Optical devices using reflecting polarizing materials Richard C. Allen, Elisa M. Cross, Susan L. Kent, Timothy J. Nevitt, Andrew J. Ouderkirk +2 more 2005-08-23
6924014 High efficiency optical devices Andrew J. Ouderkirk, Michael F. Weber, David L. Wortman 2005-08-02
6905220 Backlight system with multilayer optical film reflector David L. Wortman, Brian D. Cull, Michael F. Weber, Andrew J. Ouderkirk 2005-06-14
6888675 Transflective displays with reflective polarizing transflector Andrew J. Ouderkirk, Brian D. Cull, Michael F. Weber, David L. Wortman 2005-05-03
6845212 Optical element having programmed optical structures Mark E. Gardiner, Kenneth A. Epstein, Wade D. Kretman 2005-01-18
6707611 Optical film with variable angle prisms Mark E. Gardiner, Kenneth A. Epstein, Wade D. Kretman 2004-03-16
6641883 High efficiency optical devices Michael F. Weber, David L. Wortman, Andrew J. Ouderkirk 2003-11-04
6598328 Sign faces having reflective films and methods of using same Ellen O. Aeling, Frank L. Deyak 2003-07-29
6581286 Method of making tool to produce optical film Alan B. Campbell, Wade D. Kretman, Marvin J. Niezgocki, Timothy L. Hoopman 2003-06-24
6576887 Light guide for use with backlit display Leland R. Whitney, Gary T. Boyd, Keith M. Kotchick, Kenneth A. Epstein, Philip E. Watson +2 more 2003-06-10
6560026 Optical film with variable angle prisms Mark E. Gardiner, Kenneth A. Epstein, Wade D. Kretman 2003-05-06
6543153 Reflective polarizer having improved properties and optical display with improved reflective polarizer Michael F. Weber, Olester Benson, Jr., James M. Jonza, Andrew J. Ouderkirk, David L. Wortman +1 more 2003-04-08
6515785 Optical devices using reflecting polarizing materials David L. Wortman 2003-02-04
6447135 Lightguide having a directly secured reflector and method of making the same David L. Wortman, Kenneth A. Epstein, Mark E. Gardiner, Wade D. Kretman 2002-09-10
6356391 Optical film with variable angle prisms Mark E. Gardiner, Kenneth A. Epstein, Wade D. Kretman 2002-03-12