Robert D. Sigler has been granted 17 US patents while listed as an inventor at Lockheed Martin . The first was granted in 1990 and the most recent in February 2012. Robert D. Sigler ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Robert D. Sigler in Cupertino, CA, US.
Patents per Year Patents granted per year, 1990 to 2012 Bar chart with a peak of 2 patents in 1992. peak 2 1990: 1 patents 1990 1991: 1 patents 1992: 2 patents 1992 1994: 1 patents 1997: 2 patents 1997 1998: 1 patents 1999: 2 patents 1999 2004: 1 patents 2006: 2 patents 2006 2007: 1 patents 2009: 2 patents 2009 2012: 1 patents 2012
Issued Patents All Time
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Showing 1–17 of 17 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8115994 Scanning wide field telescope and method Alan L. Duncan 2012-02-14
$29,280,000
7631839 Enhanced multiple instrument distributed aperture sensor Alan L. Duncan , David M. Stubbs , Eric H. Smith , Richard L. Kendrick , Joseph T. Pitman 2009-12-15
$57,543,000
7499175 Enhanced Michelson interferometric optical filter with broadened wavelength blockage Alice Louise Palmer 2009-03-03
$27,570,000
7292789 Multi-channel wide-field laser communications method and apparatus Larry H. Capots , Kenneth J. Triebes 2007-11-06
$26,046,000
7119955 Multi-aperture high-fill factor telescope Alice Louise Palmer 2006-10-10
$16,585,000
7009764 Multi-aperture high fill factor telescope Alan Lee Ducan 2006-03-07
$8,602,000
6819483 Optical device and method for correcting field-dependent phase errors in distributed aperture telescope systems Alice Louise Palmer 2004-11-16
$35,243,000
5905591 Multi-aperture imaging system Alan L. Duncan , Richard L. Kendrick 1999-05-18
$29,415,000
5862001 Non-deviating prism with continuously variable dispersion — 1999-01-19
$16,575,000
5731907 Auxiliary lens with liquid element for correcting secondary color — 1998-03-24
$22,984,000
5682263 Broad-band ultraviolet lens systems well-corrected for chromatic aberration Paul N. Robb 1997-10-28
$21,467,000
5610771 Non-deviating prism with continuously variable dispersion — 1997-03-11
$23,447,000
5345337 Viscous supercooled liquid lens elements having abnormal dispersion — 1994-09-06
$8,279,000
5114238 Infrared catadioptric zoom relay telescope — 1992-05-19
$16,929,000
5089910 Infrared catadioptric zoom relay telescope with an asperic primary mirror — 1992-02-18
$18,964,000
5033831 Color-corrected lens triplets with liquid lens elements — 1991-07-23
$22,743,000
4958919 Color-corrected optical systems with liquid lens elements — 1990-09-25
$11,179,000
