Title:
Identifying means for tools
United States Patent 3251150
Inventors:
Sedgwick, Robert K.
Sipek, Charles B.
Publication Date:
05/17/1966
Assignee:
KEARNEY & TRECKER CORP
Other Classes:
283/74, 235/487, 40/913
International Classes:
B23Q3/155; G09F3/00
US Patent References:
| 3061816 | Circuit network for variably sequencing signals | | | |