HENDRIK GERRITSEN

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6028721 Apparatus for conformal identification of stars and other distant objectsSep 29, 98Feb 22, 00[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5048952 Liquid mixing ratio sensorExpiredAug 30, 89Sep 17, 91[G01N]
5009484 Diffraction gratings having high efficienciesExpiredMay 03, 89Apr 23, 91[G02B]
4850682 Diffraction grating structuresExpiredJul 14, 86Jul 25, 89[G02F]

Top Inventors for This Owner

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