U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."

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Examiner: Spyrou, Cassandra


Primary examiner statistics: 1794 patents; average approval time: 812 days
Assistant examiner statistics: 287 patents; average approval time: 609 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
6778326 Combined heat filter and condenser lens, a projection type appara...
6738203 Optical power limiting material
6655853 Optical bond-wire interconnections and a method for fabrication t...
6654170 Optical device having continuous and disperse phases
6611635 Opto-electronic substrates with electrical and optical interconne...
6608672 Soil survey device and system for precision agriculture
6603897 Optical multiplexing device with separated optical transmitting p...
6602105 Illumination system for balloons with thin film valves
6594077 Slide for the microscopic examination of biological fluids
6590707 Birefringent reflectors using isotropic materials and form birefr...
6591037 Optical switching element and image display device
6588922 Recessed lighting fixture with a columnar open mounting frame
6585382 Optical systems using switched mirrors
6577445 Composite birefringent crystal and filter
6574044 Polarizer constructions and display devices exhibiting unique col...
6571047 Inter-bay fiber management assembly
6567583 Mode converter and method
6566143 Multiple label fluorescence polarization assay system and method
6563987 Optical multiplexing/demultiplexing device with variable branchin...
6563636 Telescope system having an intelligent motor controller
6563632 Laser scanning microscope with displaceable confocal diaphragms
6563980 Method and device for spectral level balancing in wavelength divi...
6560017 Compound secure optical identification method and means
6556734 Electrical connection scheme for optical devices
6556348 Multibeam optical system
6553165 Optical waveguide gratings
6552830 Holographic authentication element and document having holographi...
6553170 Method and system for a combination of high boron and low boron B...
6553173 Installation structure for optical fiber
6549309 Holography apparatus, method and product
6549698 Large N×N waveguide grating router
6547406 Infra-red imaging systems and other optical systems
6549707 Grating-type optical filter with apodised spectral response
6546164 Miniature dense wavelength division multiplexer using microbend c...
6545756 Method for the thermionic atomization of a sample and device for ...
6545778 Holographic display device and method for producing a transmissio...
6542264 Electro-holographic optical switch
6542660 Method and system for increasing a number of information channels...
6542664 Method for efficient coupling of laser beams into waveguides
6542686 Optoelectronic device including a barrier layer and interface bar...

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5571980 Multiple fingerboard instrument structures
5542329 Device for improving sound in guitars and similar stringed instru...
5522297 Tremolo apparatus pivotable about an adjustable pivoting axis
5521321 Flasher switch with a mechanical music mechanism
5519165 Compound headstock for a stringed instrument
5509342 Extended length bass drum pedal
5497690 String vibration enhancer for guitar-type musical instruments
5479841 Free standing multi-harp holder
5471902 Tuning system for pianos
5469771 Pad for closing a tone hole in a musical instrument
5467680 Snare drum stand
5465644 Stand structure for a keyed instrument
5463923 Electric guitar having a solid body made of wood fiber board, and...
5461958 Acoustic guitar assembly
5463442 Interchangeable lens unit for use in camera system
5460072 Tuning block for a guitar with a floating bridge tremolo
5461187 Musical postage stamp display device
5459278 Winding device for music boxes
5458038 Foot pedal for drum set
5458036 Bottleneck slide bar with sectors of different materials
5458035 Adjusting mechanism for neck aligner in stringed instrument
5452638 Multiple tone wind chime
5452637 Guitar with reinforced neck joint and contoured heel
5450780 Hoop with lug bolt holder for a bass drum
5450779 Wind chime having chime retainers
5450778 Guitar slide
5449890 Slide calculator with liner
5447089 Electronic metronome with variable tempo control
5448007 Ornamental display with cantilevered follower
5442988 Non-loosening, keyless drum tuning device
5438901 String support for musical instrument
5438902 Memory tuning system for stringed instruments
5438153 Music box capable of causing a doll to sway backwards and forward...
5435221 Flute mouthpiece
5435222 Single trigger minor third attachment short reach slide trombone
5433131 Keyboard cover apparatus for electronic keyboard instrument
5429026 Keyboard lid, its open-close structure and arm members for keyed ...
5427011 Chromatic tuner display
5424484 Music box transmission mechanism
5424485 Motion generating mechanism for a music box
 
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