Skip to main content
Advanced search
Browse
Inventors
ORVILLE
Mason A. Hawkins
Main Entry
Mason A. Hawkins
Patent Title
Box for Player Piano Music Rolls
Family Name
Hawkins
Given Name
Mason
Middle Name
A.
Patent Date
July 8, 1919
Patent Number
1,309,030
Location
MD
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008