Title:
Method for use in connection with the making of protector caps for compressed gas cylinders
United States Patent 2728135
Inventors:
Rockwell Jr., Dean M.
Publication Date:
12/27/1955
Assignee:
Rockwell Jr., Dean M.
Other Classes:
72/126, 72/358, 72/400, 73/304C
International Classes:
B21D51/24; B21D51/16