Title:
Patent issued to Alfred Ropp of Selby, California for roasting and oxidizing furnace, 1899
Ropp patent
Abstract:
Patent document issued by Patent Office with seal and ribbon to Alfred Ropp of Selby, California (who probably worked for
Selby Smelters) in 1899 for "roasting and oxidizing furnaces". Accompanied by document discussing the Canadian patent and
miscellaneous documents relating to sales in U.S.
Date:
1899 (issued)
Subject:
n-us-ca
Ropp, Alfred
Patents
Smelting furnaces -- United States
Selby (Calif.)
Note:
Ropp patent.
Unrestricted. Please credit California State Library.
Physical Description:
print
1 file folder; 14 /3/4 x 9 1/2 in.
Language:
English
Identifier:
Origin:
California
Copyright Note:
Unrestricted. Please credit California State Library.