Keyword: inventors

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E. R. Parker, Hardware Specialties Manufacturer and Dealer, Scranton, Pa.

E. R. Parker, Hardware Specialties Manufacturer an…

Alan Mays
1 619
C. B. Winchell, Harrisburg, Pa.

C. B. Winchell, Harrisburg, Pa.

Alan Mays
1 599
S. F. Brooks' Combined Ottoman Cradle, Toilet Mirror, and Game Box, Boston, ca. 1860

S. F. Brooks' Combined Ottoman Cradle, Toilet Mirr…

Alan Mays
1 737
The Hydraulic Ram, Darius L. Kauffman, Garfield, Pa., 1880s

The Hydraulic Ram, Darius L. Kauffman, Garfield, P…

Alan Mays
1 1 1433
The Hydraulic Ram Is a Perfectly Simple, Effective, and Durable Machine

The Hydraulic Ram Is a Perfectly Simple, Effective…

Alan Mays
1 1302