John D. Boardman — 11 Patents at E-Systems

John D. Boardman has been granted 11 US patents while listed as an inventor at E-Systems. The first was granted in 1991 and the most recent in February 2005. John D. Boardman ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list John D. Boardman in Garland, TX, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6855923	Scanning a beam of light in a digital image recorder	Mervin L. Gangstead	2005-02-15	$16,883,000
6396042	Digital laser image recorder including delay lines	Mervin L. Gangstead	2002-05-28	$26,558,000
5726793	Polygonal mirror optical scanning system	James R. Boyd, Jeffrey P. Welch	1998-03-10
5585955	Polygonal mirror optical scanning system	James R. Boyd, Jeffrey P. Welch	1996-12-17
5508837	Optical scanning system	Mervin L. Gangstead	1996-04-16
5465243	Optical recorder and reader of data on light sensitive media	Scott M. Hamilton, Mervin L. Gangstead, Jimmie L. Sadler, Richard A. Trimble, Jeffrey P. Welch	1995-11-07
5450228	Read-write head for an optical tape recorder	Scott M. Hamilton, Jeffrey P. Welch	1995-09-12
5440419	Read-write head for an optical tape recorder	Scott M. Hamilton, Jeffrey P. Welch	1995-08-08
5392149	Polygonal mirror optical scanning system	James R. Boyd, Jeffrey P. Welch	1995-02-21	$2,311,000
5216534	Read-write head for an optical tape recorder	Scott M. Hamilton, Jeffrey P. Welch	1993-06-01	$7,904,000
5023463	Photonic array bus for data processing and communication systems	Jimmie L. Sadler, Richard A. Trimble	1991-06-11	$10,302,000

John D. Boardman — 11 Patents

Issued Patents All Time

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