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Abstract

The disclosed invention includes an improved construction of structural members such as railroad crossties, highway spin 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.

Patent Number

4,355,754

Assignee

Board of Control of Michigan Technological University, Houghton, Mich.

Application Number

264,222

Date Filed

5-18-1981

Certificate of Correction

Yes

Issue Date

10-26-1982

Disciplines

Civil and Environmental Engineering | Engineering | Materials Science and Engineering

Comments

For the most up-to-date information about this patent, including the availability of Certificates of Correction, be sure to check the United States Patent and Trademark Office's free, publicly accessible database: Patent Public Search https://ppubs.uspto.gov/pubwebapp/static/pages/landing.html

Structural members comprised of composite wood material and having zones of diverse density

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