Web detector for printing presses
United States Patent 1978589
Inventors:
Mcfarlane, Maynard D.
Publication Date:
10/30/1934
Assignee:
Mcfarlane, Maynard D.
Other Classes:
250/559.430, 55/DIG.034, 313/15, 250/238, 55/385.600, 313/22, 38/1C
International Classes:
B41F33/18; B41F33/00