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[D8468ZAO], Letter from Groth (L.A.) & Co to Charles Dreydel, March 13th, 1884

Title: [D8468ZAO], Letter from Groth (L.A.) & Co to Charles Dreydel, March 13th, 1884
Editor's Notes: In reply to yours, inform you that every Swedish patent must be worked within two years, and notice of this given to Chamber of Commerce. Failure to do so has voided 8 Edison patents (list follows).
Author: Groth (L.A.) & Co
Recipient: Dreydel, Charles
Date: 1884-03-13
Type: Letter
Subject: International business operations; Patents; Electrical distribution system
Folder ID: D8468-F
Microfilm ID: 76:761
Document ID: D8468ZAO
URL: https://edisondigital.rutgers.edu/document/D8468ZAO
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 76

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