United States Patent 2593188
Inventors:
Nathan, Rikelman
Publication Date:
04/15/1952
Assignee:
Nathan, Rikelman
Other Classes:
446/197, 362/278, 362/106, 2/182.200, 2/DIG.010, 2/209.130, 273/DIG.017, 40/329, 472/51, 446/485
International Classes:
A42B1/00