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

Icon_funbox Did You Know...

...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Examiner: Schroeder, L. C.


Primary examiner statistics: 3 patents; average approval time: 730 days
Assistant examiner statistics: 412 patents; average approval time: 766 days

Patents as Primary Examiner

Patent No. Patent Title:
4335419 Insulated dust control apparatus for use in an explosive environm...
4286306 Circuit arrangement for comparing the synchronism or tracking bet...
4172372 Method of knitting fabric by stick-like double-hooked needle

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5303305 Solar powered hearing aid
4759070 Patient controlled master hearing aid
4752831 Focusing system for camera apparatus
4739512 Hearing aid
4739511 Hearing aid
4736432 Electronic siren audio notch filter for transmitters
4731849 Electronic ausculscope
4731850 Programmable digital hearing aid system
4727586 High fidelity speaker system and assembly
4727584 Loudspeaker with motional feedback
4727583 Telephone transducer with improved frequency response
4720866 Computerized stethoscopic analysis system and method
4718100 High current demand cable
4718099 Automatic gain control for hearing aid
4717959 Automatic focusing device for video camera or the like
4713697 Camera apparatus
4712246 Puppet speaker
4712135 Image pickup apparatus
4710962 Signal control apparatus
4710817 Solid state image sensor
4706292 Speech prosthesis
4706289 Level indicating methods and means
4704635 Large capacity, large area video imaging sensor
4700397 Surveillance microphone holder
4695891 Variable speed video camera
4695887 Variable speed video camera
4695888 Video camera with automatically variable diaphragm and shutter sp...
4694498 Automatic sound field correcting system
4692942 Electroacoustic transducer with piezoelectric diaphragm
4691360 Voice simulator
4691363 Transducer device
4689819 Class D hearing aid amplifier
4689821 Active noise control system
4686693 Remotely controlled sound mask
4684995 Simultaneous exposure/focus control in a video camera using a sol...
4683590 Inverse control system
4683591 Proportional power demand audio amplifier control
4682240 Interlocked television camera and electronic viewfinder combinati...
4682364 Fader circuit arrangement in electrical reproducing apparatus and...
4677677 Active sound attenuation system with on-line adaptive feedback ...
 
Sign InRegister
Username  
Password   
forgot password?