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Roberto Fonseca
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North Hollywood, CA, US
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last 30 patents
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Patent Grant
Exhaust filter and catalyst structure
Patent number
6,325,834
Issue date
Dec 4, 2001
Roberto Fonseca
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Patent Grant
Apparatus for forming inspection openings in asbestos insulation cl...
Patent number
5,919,010
Issue date
Jul 6, 1999
Roberto Fonseca
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR