Method of Breaking Rock, April 23, 1901

Item

Title
Method of Breaking Rock, April 23, 1901
Author
Thomas A. Edison
Date Executed
1897-05-14
Date Filed
1897-07-16
Date Issued
1901-04-23
Type
Patent Issued
Subject
Mining and Ore Milling
Document ID
PAT672616
Has Format
https://iiif.archive.org/iiif/edisonpatent672616/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