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David G. Anderson
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Florence, SC, US
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last 30 patents
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Patent Grant
Gas pressure regulator
Patent number
D318318
Issue date
Jul 16, 1991
L-TEC
Bishnu P. Datta
D23 - Environmental heating and cooling
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Patent Grant
Gas pressure regulator
Patent number
D311437
Issue date
Oct 16, 1990
L-TEC
Bishnu P. Datta
D23 - Environmental heating and cooling