Cavityless casting mold and method of making same
United States Patent 2830343
Inventors:
Shroyer, Harold F.
Publication Date:
04/15/1958
Assignee:
Shroyer, Harold F.
Other Classes:
425/DIG.012, 164/410
International Classes:
B22C7/02; B22C9/04; B22C7/00