Protective tile for covering underground cables
United States Patent 2235356
Inventors:
Victor, Byers Edward
Publication Date:
03/18/1941
View Patent Images:
Export Citation:
Assignee:
H J BALDWIN & COMPANY LTD
Primary Class:
Other Classes:
52/102, 174/136, 174/37
International Classes:
H02G9/02; H02G9/00