United States Patent 3028659
Inventors:
Tsing, Chow Wen
Henrich, William H.
Publication Date:
04/10/1962
Assignee:
BOSCH ARMA CORP
Other Classes:
29/597, 29/737, 29/847, 148/DIG.55, 174/254, 174/260, 340/14.66, 361/679.32, 361/805
International Classes:
G11C8/04; G11C17/16; G11C8/04; G11C17/14