CPC
Y10S202/00
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Patent Grant
Frank D. Husson
F24 - HEATING RANGES VENTILATING
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Patent Grant
Board of Control of Michigan Technological University
William A. Hockings
C01 - INORGANIC CHEMISTRY
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Dr. C. Otto & Comp. G.m.b.H.
Theo Koddenberg
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Patent Grant
Robert E. Fearon
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Ecodyne Corporation
Henry G. Lankenau
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Ecodyne Corporation
Henry G. Lankenau
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
U.S. Philips Corporation
Jacobus M. Gijzel
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Patent Grant
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
