Process of Extracting Copper Pyrites, December 15, 1891
Item
-
Title
-
Process of Extracting Copper Pyrites, December 15, 1891
-
Author
-
Thomas A. Edison
-
Date Executed
-
1890-02-08
-
Date Filed
-
1890-02-17
-
Date Issued
-
1891-12-15
-
Type
-
Patent Issued
-
Subject
-
Mining and Ore Milling
-
Document ID
-
PAT465250
-
Has Format
-
https://iiif.archive.org/iiif/edisonpatent465250/manifest.json
-
Rights
-
Edison's patents are in the public domain and have been made available through the generosity of David Kovanen.
-
Publisher
-
The Thomas A. Edison Papers
