About 250 BEAVERS patents. You can view some of the original documents, but not all states are listed. site address: http://www.glorecords.blm.gov/search/search.asp?s=31 if you use aol you will probably have to copy and paste Carol Don't let another child be hurt by ignorance. Educate yourself and your children about Tourette Syndrome. www.tsa-usa.org Care2 make the world greener !