Letter from Herman E Kiefer to Frank Lewis Dyer, January 4th, 1911

Click to view

Author(s)

Kiefer, Herman E
Recipient(s)
Dyer, Frank Lewis
Others Mentioned
Edison, Thomas Alva
Wentz, Robert F
Mallory, Walter Seeley
American Cement Co
Vulcanite Portland Cement Co
Edison Portland Cement Co

Subject(s)

Cement
Competition and market structure
Patent application

Dated

1911-01-04 (1911)

Associated Images

Identifier

PT032AHO3 (legacy)

Rights

Thomas Edison National Historical Park

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
 

Citation

Embed