Ralph S. Tappan II

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Brigham City, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Precision controlled variable thrust solid propellant rocket motor
- Patent number 7,958,718
- Issue date Jun 14, 2011
- Alliant Techsystems Inc.
- L. Don Berchtold
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Plume enhancement nozzle for achieving flare rotation
- Patent number 5,996,502
- Issue date Dec 7, 1999
- Cordant Technologies Inc.
- David W. Endicott
- F42 - AMMUNITION BLASTING
Information Patent Grant
Illuminant igniter pellet ignition system for use in a decoy flare
- Patent number 5,763,818
- Issue date Jun 9, 1998
- Thiokol Corporation
- Ross W. Guymon
- F42 - AMMUNITION BLASTING
Information Patent Grant
Plume enhancement nozzle for achieving flare rotation
- Patent number 5,654,522
- Issue date Aug 5, 1997
- Thiokol Corporation
- David W. Endicott
- F42 - AMMUNITION BLASTING
Information Patent Grant
High-intensity infrared decoy flare
- Patent number 5,565,645
- Issue date Oct 15, 1996
- Thiokol Corporation
- Ralph S. Tappan
- F42 - AMMUNITION BLASTING