Dubuque, IA, US
Information
Patent Grant
Barnstead Thermolyn Corporation
Thomas J. Larkner
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Trademark
Barnstead Thermolyn Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
