YARN INSPECTION APPARATUS
United States Patent 3530690
Inventors:
Nickell, Lawrence Creigh
Fertig, Raymond Baines
Sessions, Henry T.
Publication Date:
09/29/1970
Assignee:
Appalachian, Electronic Instr
Other Classes:
250/559.430
International Classes:
D03D51/28; D04B35/10; D03D51/18; D04B35/00; D04B35/10