[D8370H], Letter from Frederic Henry Betts to Edison Electric Light Co, January 6th, 1883
Item
Abstract
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
Mentions
Date
1883-01-06
Decade
1880-1889
Type
Subject
Identifier
D8370H
Folder Set
D8370
Title
[D8370H], Letter from Frederic Henry Betts to Edison Electric Light Co, January 6th, 1883
Microfilm ID
70:918
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University