Patents for inventions.
Abridgments of specifications.
Class 100,
Printing, letter press & lithographic.
Description
Viewability
Item Link | Original Source |
---|---|
Full view v.1 1877-1888 | University of Michigan |
Full view v.2 1889-1896 | University of Michigan |
Full view v.3 1897-1900 | University of Michigan |
Full view v.4 1901-1904 | University of Michigan |
Full view v.5 1905-1908 | University of Michigan |