Title: Automatic fan
Patent number: 92,589
Date granted: 7/13/1869
View this patent at the USPTO.
Inventor: Coellestin Dieringer
Inventor: Morris Lindamann
Title: Automatic fan
Patent number: 92,589
Date granted: 7/13/1869
View this patent at the USPTO.
Inventor: Coellestin Dieringer
Inventor: Morris Lindamann