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Hubert G. Timmerman
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Manhattan Beach, CA, US
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last 30 patents
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Patent Grant
Powdered metal pyrotechnic fuel
Patent number
6,126,764
Issue date
Oct 3, 2000
Special Devices, Inc.
Hubert G. Timmerman
C06 - EXPLOSIVES MATCHES
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Patent Grant
Method of drying pyrotechnic compositions
Patent number
5,993,578
Issue date
Nov 30, 1999
Special Devices, Inc.
Hubert G. Timmerman
D03 - WEAVING
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Patent Grant
Preparation of gas generation grain
Patent number
3,971,729
Issue date
Jul 27, 1976
Specialty Products Development Corporation
Hubert G. Timmerman
C06 - EXPLOSIVES MATCHES