Skip to main content
Advanced search
Browse
Inventors
ORVILLE
Joseph R. Winters
Main Entry
Joseph R. Winters
Patent Title
Fire Escape Ladder
Family Name
Winters
Given Name
Joseph
Middle Name
R.
Patent Date
April 8, 1879
Patent Number
214,224
Location
PA
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008