Additional improvement patents, 1837-1861 /
compiled by James A. Paulauskas.

Description

Corporate Author

United States. National Archives and Records Service.

Related Names

Paulauskas, James A., 1929-

Language(s)

English

Published

Washington : National Archives and Records Service, General Services Administration, 1977.

Subjects

Patent extensions > Patent extensions / United States.
Patents > Patents / United States.

Note

Includes indexes.

Physical Description

vii, 22 p. ; 27 cm.

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