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Author(s)

North American Portland Cement Co
Edison, Thomas Alva

Recipient(s)

Alsen's American Portland Cement Works

Others Mentioned

Hartwell, Stephen Warren
Shipman, William
Hawk, Herbert
Maxwell, John Rogers
Duncan and Duncan
Edison Portland Cement Co
U.S. Circuit Court. Southern N.Y.
U.S. Patent Office

Subject(s)

Cement
Patent infringement

Dated

1908-03-02 (1908)

Associated Images

Identifier

QQ0030001 (legacy)

Rights

Thomas Edison National Historical Park

Publisher

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