Title:
Dies for punching small metal parts
United States Patent 1415477


Inventors:
Vojtech, Puc
Application Number:
US35611520A
Publication Date:
05/09/1922
Filing Date:
02/04/1920
Assignee:
Vojtech, Puc
Primary Class:
Other Classes:
83/269, 83/419, 226/55
International Classes:
B21D43/06; B21D43/26
View Patent Images: