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Patents

 Subject
Subject Source: Library of Congress Subject Headings

Found in 1 Collection or Record:

Louis Kiefer collection

 Collection — Multiple Containers
Identifier: S2640
Scope and Contents The collection includes a certificate from the United States Patent Office to Louis A. Kiefer of Indianapolis, Indiana on November 4, 1874 regarding the filing of "a caveat relating to an improvement in combined loose and fast pulley" (S2640).

There are also oversize certificates issued to Louis Kiefer by the Patriarchs Militant Lodge, ranging from 1905 to 1916 (OBD021).
Dates: 1874/11/04; 1905-1916