George Chen — 4 Patents at Arch Development

George Chen has been granted 4 US patents while listed as an inventor at Arch Development. The first was granted in 1990 and the most recent in May 1997. George Chen ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list George Chen in Winnetka, IL, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5634086	Method and apparatus for voice-interactive language instruction	Dimitry Rtischev, Jared C. Bernstein, John W. Butzberger	1997-05-27	$1,806,000
5401365	High purity benzene production using extractive distillation	Brenda M. Balaban, Gerd Emmrich, Bernhard Firnhaber	1995-03-28	$60,527,000
5341412	Apparatus and a method for predictive call dialing	Danny Ramot, Alexander Henkin	1994-08-23
4977505	Means to correlate images from scans taken at different times including means to determine the minimum distances between a patient anatomical contour and a correlating surface	Charles Pelizzari	1990-12-11

George Chen — 4 Patents

Issued Patents All Time

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