W. Charles Perry & Associates Home About Us Services Projects Personnel Clients Terms and Fees Contact Us Materials Testing and Analysis Blank vs. Gowan—trailer hitch failure, accident & fire Tagoia vs. SMG—load tests on ladder Suspension Bridge Model tests 520 S. El Camino Real, Suite 422, San Mateo, CA 94402-1726, voice 650-685-8290, FAX 650-685-8354 info@wcharlesperry.com