Process of producing self-annealed cast-iron castings in permanent molds by the heat of the metal cast
United States Patent 1536905
Inventors:
Meloche, Daniel H.
Publication Date:
05/05/1925
View Patent Images:
Export Citation:
Assignee:
Earl, Holley
Primary Class:
Other Classes:
164/138, 164/122.100, 427/134, 106/38.270, 164/523, 427/403
International Classes:
B22C23/02; B22C23/00