Donald N. Thatcher

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Brea, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Forming apparatus employing a shape memory alloy die
- Patent number 4,797,085
- Issue date Jan 10, 1989
- Aerojet-General Corporation
- Tien-Hon Chiang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Combustible push rod for launching tubular projectiles
- Patent number 4,776,281
- Issue date Oct 11, 1988
- Aerojet-General Corporation
- Tien-Hon Chiang
- F42 - AMMUNITION BLASTING
Information Patent Grant
Isostatic press using a shape memory alloy
- Patent number 4,738,610
- Issue date Apr 19, 1988
- Aerojet-General Corporation
- Tien-Hon Chiang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for synthesizing and densifying materials using a shape m...
- Patent number 4,732,556
- Issue date Mar 22, 1988
- Aerojet-General Corporation
- Tien-Hon Chiang
- B22 - CASTING POWDER METALLURGY