Title:
Strengtheining, preservation, and extension of life of wooden poles
United States Patent 3390951

Inventors:
Henry, Finger James
Johns, William H.
Stuart, Donald J.
Publication Date:
07/02/1968
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Assignee:
PENN LINE SERVICE INC
Primary Class:
Other Classes:
405/216
International Classes:
E04H12/22
Foreign References:
GB937744A