Skip to main content
Advanced search
Browse
Inventors
ORVILLE
Shelby J. Davidson
Main Entry
Shelby J. Davidson
Patent Title
Paper Rewind Mechanism for Adding Machines
Family Name
Davidson
Given Name
Shelby
Middle Name
J.
Patent Date
April 14, 1908
Patent Number
884,721
Location
KY
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008