-
Thermoacoustic sound generator
-
Patent number 5,369,625
-
Issue date Nov 29, 1994
-
The United States of America as represented by the Secretary of the Navy
-
Thomas B. Gabrielson
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
-
Toroidal whistle
-
Patent number 4,686,928
-
Issue date Aug 18, 1987
-
Richard J. Weisenberger
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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-
-
Piezoelectric audible sound generator
-
Patent number 4,393,373
-
Issue date Jul 12, 1983
-
Fuji Electrochemical Co., Ltd.
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Michihiro Torii
-
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
-
3891869
-
Patent number 3,891,869
-
Issue date Jun 24, 1975
-
G01 - MEASURING TESTING
-
3278165
-
Patent number 3,278,165
-
Issue date Oct 11, 1966
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
3194209
-
Patent number 3,194,209
-
Issue date Jul 13, 1965
-
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
-
3176964
-
Patent number 3,176,964
-
Issue date Apr 6, 1965
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3169507
-
Patent number 3,169,507
-
Issue date Feb 16, 1965
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3169508
-
Patent number 3,169,508
-
Issue date Feb 16, 1965
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3169509
-
Patent number 3,169,509
-
Issue date Feb 16, 1965
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3157151
-
Patent number 3,157,151
-
Issue date Nov 17, 1964
-
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
-
3157154
-
Patent number 3,157,154
-
Issue date Nov 17, 1964
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3157153
-
Patent number 3,157,153
-
Issue date Nov 17, 1964
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3156212
-
Patent number 3,156,212
-
Issue date Nov 10, 1964
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3141300
-
Patent number 3,141,300
-
Issue date Jul 21, 1964
-
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
-
3131671
-
Patent number 3,131,671
-
Issue date May 5, 1964
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3125986
-
Patent number 3,125,986
-
Issue date Mar 24, 1964
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3118748
-
Patent number 3,118,748
-
Issue date Jan 21, 1964
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
3117551
-
Patent number 3,117,551
-
Issue date Jan 14, 1964
-
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
-
3107647
-
Patent number 3,107,647
-
Issue date Oct 22, 1963
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3100022
-
Patent number 3,100,022
-
Issue date Aug 6, 1963
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
-
3097937
-
Patent number 3,097,937
-
Issue date Jul 16, 1963
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
3096080
-
Patent number 3,096,080
-
Issue date Jul 2, 1963
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3084864
-
Patent number 3,084,864
-
Issue date Apr 9, 1963
-
G05 - CONTROLLING REGULATING
-
3084868
-
Patent number 3,084,868
-
Issue date Apr 9, 1963
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
3081979
-
Patent number 3,081,979
-
Issue date Mar 19, 1963
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
3071145
-
Patent number 3,071,145
-
Issue date Jan 1, 1963
-
G10 - MUSICAL INSTRUMENTS ACOUSTICS