Title:
Arrowhead attaching means
United States Patent 3401938


Inventors:
Bear, Fred B.
Application Number:
US59531266A
Publication Date:
09/17/1968
Filing Date:
11/02/1966
Assignee:
VICTOR COMPTOMETER CORP
Primary Class:
Other Classes:
473/583
International Classes:
F42B6/08
View Patent Images:
US Patent References:
2289284Interchangeable arrowhead1942-07-07
Foreign References:
GB717353A1954-10-27