United States Patent 3173641
Inventors:
Dorrance, Joseph J.
Publication Date:
03/16/1965
Assignee:
Dorrance, Joseph J.
Other Classes:
131/235.100, 211/70.300, D22/147, 131/256
International Classes:
A24F19/14; A24F19/00
Foreign References:
| FR603478A | | | | |
| FR714619A | | | | |
| DE840937C | | | | |