Skip to main content
Advanced search
Browse
Inventors
ORVILLE
Walter Purdy
Main Entry
Walter Purdy
Patent Title
Device for Sharpening Edged Tools
Family Name
Purdy
Given Name
Walter
Patent Date
August 1, 1899
Patent Number
630,106
Location
PA
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008