Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Inventor: Birdwell; William A. Address: Portland, OR No. of patents: 4 Patents: Patent Number Title Of Patent Date Issued 7009581 Dynamic diffractive optical transform March 7, 2006 A dynamic diffractive optical transform. An electric field pattern is created across a body of material, the material being characterized in that it has an optical transmission property which varies in response to of an electric potential applied across a portion thereof. The electric 6774871 Dynamic diffractive optical transform August 10, 2004 A dynamic diffractive optical transform. An electric field pattern is created across a body of material, the material being characterized in that it has an optical transmission property which varies in response to of an electric potential applied across a portion thereof. The electric 6437762 Dynamic diffractive optical transform August 20, 2002 A dynamic diffractive optical transform. An electric field pattern is created across a body of material, the material being characterized in that it has an optical transmission property which varies in response to of an electric potential applied across a portion thereof. The electric 5877876 Diffractive optical switch with polarizing beam splitters March 2, 1999 A dynamic diffractive optical transform. An electric field pattern is created across a body of material, the material being characterized in that it has an optical transmission property which varies in response to of an electric potential applied across a portion thereof. The electric       Recently Added Patents Image forming apparatus, control method, and storage medium for measuring the temperature of a fixing unit, selecting a sheet type to be used for cooling the fixing unit based on the measured Multimedia-aware quality-of-service and error correction provisioning Discrete mapping for targeted caching Three-terminal cascade switch for controlling static power consumption in integrated circuits Drawer front panel Aggregating compositions, modified particulate metal-oxides, modified formation surfaces, and methods for making and using same Invariant pulse latency coding systems and methods systems and methods   Randomly Featured Patents Papermaking aid Laser system and method for material processing with ultra fast lasers Golf putter with adjustable lie and offset hosel Stent Fabrication of sub-50 nm solid-state nanostructures based on nanolithography Toy vehicle Upper beam slab bolster for use in construction Toothbrush Control robot with different axial direction shafts Dispenser © 2006-2011. PatentGenius.com All Rights Reserved.