[D8370H], Letter from Frederic Henry Betts to Edison Electric Light Co, January 6th, 1883
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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.
Author
Recipient
Mentioned
Date
1883-01-06
Type
Subject
Folder/Volume ID
D8370-F
Microfilm ID
70:918
Document ID
D8370H
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University