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Inventor

DUNCAN JOHN E

US9 patents
⚠️ This page may combine multiple inventors who share the name “DUNCAN JOHN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

3M INNOVATIVE PROPERTIES CO

4 patents
US7901083B2Mar 8, 2011

Optical projection subsystem

3M INNOVATIVE PROPERTIES CO44 citations95
US7529029B2May 5, 2009

Polarizing beam splitter

3M INNOVATIVE PROPERTIES CO45 citations91
US7362507B2Apr 22, 2008

Polarizing beam splitter

3M INNOVATIVE PROPERTIES CO16 citations83
US7463417B2Dec 9, 2008

Optical articles from curable compositions

3M INNOVATIVE PROPERTIES CO10 citations81

MAGTROL INC

3 patents
US4655616AApr 7, 1987

Computer direct disc drive with magnetically stabilized shaft

MAGTROL INC37 citations90
US6257380B1Jul 10, 2001

Calibrated hysteresis brakes

MAGTROL INC6 citations71
US5400876AMar 28, 1995

Method of calibration of hysteresis brakes

MAGTROL INC6 citations71

DESTAIN PATRICK R

2 patents
US8070295B2Dec 6, 2011

Optical projection subsystem

DESTAIN PATRICK R5 citations70
US8459800B2Jun 11, 2013

Optical projection subsystem

DESTAIN PATRICK R4 citations58