| Author | United States. National Archives and Records Service.
|
| Title | Additional improvement patents, 1837-1861 / compiled by James A. Paulauskas.
|
| Published | Washington : National Archives and Records Service, General Services Administration, 1977.
|
| Description | vii, 22 p. ; 27 cm.
|
| Series | Special list (National Archives (U.S.)) ; no. 39.
Special list - National Archives and Records Service ; no. 39
|
| General Note | Includes indexes.
|
| Subjects | Patent extensions -- United States.
Patents -- United States.
|
| Other Authors | Paulauskas, James A., 1929-
|
| LC Card Number | 76-56844 |
| Call Number/Copies | |
| | WRHS Research Library: Pam. U241
mq183672: Pamphlets, closed stacks [status: NON-CIRCULATING] |
| [Record 115176] |
|