Patents and Standards

[PATENTS] End-User Patent Searching Using Open Access Sources (Alfred University)

http://www.istl.org/10-winter/internet.html

http://www.freepatentsonline.com

https://www.google.com/?tbm=pts

Indexes patents back to 1790.

http://pages.slu.edu/faculty/bunnellcs/Standards.html

http://www.iso.ch/

http://www.nssn.org/

http://library.uwaterloo.ca:80/society/standards.html

University of Waterloo

http://www.ieee.org/

http://assistdocs.com/search/search_basic.cfm

http://bubl.ac.uk/link/p/patents.htm

Andersonian Library, Strathclyde University.