Towel sorter having an infrared detector
United States Patent 3373869
Inventors:
Burson Jr., Benard
Publication Date:
03/19/1968
Assignee:
BURSON ELECTRONICS INC
Other Classes:
209/585, 209/564, 250/347, 209/577, 209/589, 209/644
International Classes:
D06F93/00; G01N25/72