Skip to main content
Advanced search
Browse
Inventors
ORVILLE
John P. Parker
Main Entry
John P. Parker
Patent Title
Soil Pulverizer
Family Name
Parker
Given Name
John
Middle Name
P.
Patent Date
December 9, 1890
Patent Number
442,538
Location
OH
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008