Index of Inventions - July 24, 1886
For which Letters Patent of the United States were Granted, July 6, 1886, and Each Bearing that Date. [Seenote at end of list about copies of these patents.]
For which Letters Patent of the United States were Granted, July 6, 1886, and Each Bearing that Date. [Seenote at end of list about copies of these patents.]