Title:
Safety closure edge
United States Patent 3321592


Inventors:
Miller, Norman K.
Application Number:
US56688066A
Publication Date:
05/23/1967
Filing Date:
07/21/1966
Assignee:
Miller, Bros
Primary Class:
Other Classes:
200/52R, 200/86R
International Classes:
B66B13/26; E05F15/00; G08B21/02
View Patent Images:
US Patent References:
3243540Electric mat switch1966-03-29