SYSTEM FOR MONITORING MOVING THREADS IN TEXTILE MACHINERY
United States Patent 3440634
Inventors:
Maurmann, Siegfried
Maurmann, Werner
Publication Date:
04/22/1969
Assignee:
ENGELS GMBH AUGUST
Other Classes:
139/370.200
International Classes:
D03D51/34; D03D51/18; G08B21/00
US Patent References:
| 3139911 | Photoelectric weft detecting means | | | |