[D8370H], Letter from Frederic Henry Betts to Edison Electric Light Co, January 6th, 1883

https://edisondigital.rutgers.edu/document/D8370H

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Title

[D8370H], Letter from Frederic Henry Betts to Edison Electric Light Co, January 6th, 1883

Editor's Notes

Re: question of whether journal boxes of Armington & Sims engine at Pearl St. infringe Charles Porter's 1878 patent, after careful examination I find they do not infringe. Discusses in detail.

Date

1883-01-06

Decade

1880-1889

Type

Folder/Volume ID

D8370-F

Microfilm ID

70:918

Document ID

D8370H

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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