United States Patent 3136307
Inventors:
Richard, Joseph D.
Publication Date:
06/09/1964
Assignee:
Richard, Joseph D.
Other Classes:
200/DIG.002, 70/237, 307/10.500, 361/203, 307/40, 123/198B, 70/277, 346/52
International Classes:
F02P11/04; F02P11/00