Donald Kennedy Coles

Person

Fort Wayne, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Musical equipment enabling a fixed selection of digitals to sound d...
- Patent number 5,129,303
- Issue date Jul 14, 1992
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Key signature actuator for a musical keyboard
- Patent number 4,903,571
- Issue date Feb 27, 1990
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus for musical scale selection and key signature actuation
- Patent number 4,903,572
- Issue date Feb 27, 1990
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Key signature actuator for a musical keyboard
- Patent number 4,821,619
- Issue date Apr 18, 1989
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 4,750,399
- Issue date Jun 14, 1988
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 4,640,173
- Issue date Feb 3, 1987
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Internal combustion engine
- Patent number 4,372,269
- Issue date Feb 8, 1983
- Donald K. Coles
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine
- Patent number 4,366,793
- Issue date Jan 4, 1983
- Donald K. Coles
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine
- Patent number 4,172,434
- Issue date Oct 30, 1979
- Donald K. Coles
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine
- Patent number 4,103,655
- Issue date Aug 1, 1978
- Donald Kennedy Coles
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Musical apparatus
- Patent number 4,056,032
- Issue date Nov 1, 1977
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 4,048,893
- Issue date Sep 20, 1977
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 4,009,633
- Issue date Mar 1, 1977
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 3,986,422
- Issue date Oct 19, 1976
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Keyboard type musical instrument
- Patent number 3,973,460
- Issue date Aug 10, 1976
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 3,949,638
- Issue date Apr 13, 1976
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Keyboard type musical instrument
- Patent number 3,943,811
- Issue date Mar 16, 1976
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Donald Kennedy Coles

Person

Patents Grantslast 30 patents

Musical equipment enabling a fixed selection of digitals to sound d...

Key signature actuator for a musical keyboard

Apparatus for musical scale selection and key signature actuation

Key signature actuator for a musical keyboard

Electronic musical instrument

Electronic musical instrument

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Musical apparatus

Electronic musical instrument

Electronic musical instrument

Electronic musical instrument

Keyboard type musical instrument

Electronic musical instrument

Keyboard type musical instrument