E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
20/108, 238/42
E01B 3/02 (2006.01) B27N 5/00 (2006.01) B32B 21/13 (2006.01) E01B 3/46 (2006.01) E01F 9/011 (2006.01) E01F 9/018 (2006.01) E01F 15/04 (2006.01)
Patent
CA 1174029
ABSTRACT OF THE DISCLOSURE The disclosed invention includes an improved construction of structural members such as railroad crossties, highway sign posts and highway guard posts and to construction of said members from composite wood material including elongated wood flakes and to a method for making such improved structures.
401974
Adams Roy D.
Krueger Gordon P.
Lund Anders E.
Board Of Control Of Michigan Technological University
Macrae & Co.
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