Title:
Punch-centering device
Document Type and Number:
United States Patent 1388110
Inventors:
Hallock, Raymond G.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
08/16/1921
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login or
Create Account (Free!)
Export Citation:
Assignee:
Hallock, Raymond G.
Primary Class:
Other Classes:
101/474, 83/520, 101/407.100, 33/354
International Classes:
B21D43/00