Inventor
HUGHES PATRICIA M
US9 patents
⚠️ This page may combine multiple inventors who share the name “HUGHES PATRICIA M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
8 patentsUS6530664B2Mar 11, 2003
Integrated front projection system with enhanced dry erase screen configuration
3M INNOVATIVE PROPERTIES CO106 citations97
US6568814B2May 27, 2003
Integrated front projection system with shaped imager and associated method
3M INNOVATIVE PROPERTIES CO32 citations92
US7271964B2Sep 18, 2007
Projection display device for multimedia and wall display systems
3M INNOVATIVE PROPERTIES CO16 citations91
US7173777B1Feb 6, 2007
Projection lens and display device for multimedia and other systems
3M INNOVATIVE PROPERTIES CO32 citations91
US7864435B2Jan 4, 2011
Projection display device for multimedia and wall display systems
3M INNOVATIVE PROPERTIES CO5 citations72
US7342723B2Mar 11, 2008
Projection lens and portable display device for gaming and other applications
3M INNOVATIVE PROPERTIES CO8 citations72
US7850311B2Dec 14, 2010
Projection display device with a projection module
3M INNOVATIVE PROPERTIES CO5 citations60
US6582084B2Jun 24, 2003
Projector having an inverted head optical arrangement
3M INNOVATIVE PROPERTIES CO0 citations51