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Patent applications and USPTO patent grants for Gerritsen; Hendrik J..The latest application filed is for "diffraction gratings having high efficiencies".
Patent | Date |
---|---|
Diffraction gratings having high efficiencies Grant 5,009,484 - Gerritsen April 23, 1 | 1991-04-23 |
Apparatus and method for rapidly constructing holograms Grant 4,878,717 - Gerritsen November 7, 1 | 1989-11-07 |
Diffraction grating structures Grant 4,850,682 - Gerritsen July 25, 1 | 1989-07-25 |
Redundant, Speckle-free Hologram Recording Apparatus Grant 3,650,595 - Gerritsen , et al. March 21, 1 | 1972-03-21 |
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