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

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: Betts, Frederic Henry
Recipient: Edison Electric Light Co
Mentioned: Armington and Sims; Porter, Charles T
Date: 1883-01-06
Type: Letter
Subject: Patent infringement
Folder ID: D8370-F
Microfilm ID: 70:918
Document ID: D8370H
URL: https://edisondigital.rutgers.edu/document/D8370H
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 70

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