Apparatus comprising a fastening device
United States Patent 2745623
Inventors:
Jan, Bergmans
Heuven, Engelbert Wiegman Van
Publication Date:
05/15/1956
Assignee:
HARTFORD NAT BANK & TRUST CO
Other Classes:
336/92, 336/100, 248/201
International Classes:
H01F27/02; H01F27/33