Sheets of plans of inventions, with sketches ranging from rough pencil sketches to professional graphics, some with notary stamps, 1955, undated

Sheets of plans of inventions, with sketches ranging from rough pencil sketches to professional graphics, some with notary stamps, 1955, undated, Box: 1, Folder: 5. Milton R. Yarger, Inventor, Papers, A&M 4279. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/157828 Accessed December 05, 2025.