Patents for electric heating devices, 1920-1922.

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Patents for electric heating devices, 1920-1922.

http://www.worldcat.org/oclc/709612877

Two expired U.S. patents issued to Earl H. Richardson and the Edison Electric Appliance Company for electronic heating devices. Each includes a patent certificate as well as printed applications with descriptions and diagrams of the heating devices.

2 documents.

Huntington Library, Art Collections & Botanical Gardens

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SNAC Resource ID: 8054081

Related Entities

There are 2 Entities related to this resource.

Edison Electric Appliance Co.

http://n2t.net/ark:/99166/w6qz80p0 (corporateBody)

Richardson, Earl H., 1871-1934.

http://n2t.net/ark:/99166/w62r5xht (person)

Earl H. Richardson (1871-1934) worked for Ontario Electric Company in Ontario, California, before inventing the Hotpoint iron and starting his own company, the Pacific Electric Heating Co., in 1906. The company merged with the General Electric Company to form the Edison Electric Appliance Co. in 1918, and was later bought out by General Electric and renamed the General Electric Company, Ontario Factory. From the description of Patents for electric heating devices, 1920-1922. (Hunting...