| ::Eastern States Office<br>20 M St SE<br>Washington, DC 20003<br>Telephone: 202-912-7700<br>Internet: [https://www.blm.gov/eastern-states BLM - Eastern States]
| | {{Block indent|Eastern States Office<br>20 M St SE<br>Washington, DC 20003<br>Telephone: 202-912-7700<br>Internet: [https://www.blm.gov/eastern-states BLM - Eastern States]|2}} |
| *The FamilySearch Library and the Eastern States Office have an incomplete card file that indexes pre-1908 patents issued in Alabama, Arkansas, Florida, Illinois, Indiana, Iowa, Louisiana, Michigan, Minnesota, Missouri, Mississippi, Ohio, and Wisconsin. These are on 160 microfilms. | | *The FamilySearch Library and the Eastern States Office have an incomplete card file that indexes pre-1908 patents issued in Alabama, Arkansas, Florida, Illinois, Indiana, Iowa, Louisiana, Michigan, Minnesota, Missouri, Mississippi, Ohio, and Wisconsin. These are on 160 microfilms. |