Product Details
Guide To U.S. Patents For Windmills and Wind Engin
Describes U.S. patent history, especially as it pertains to windmill improvements between 1793 and 1950. Compiled by T. Lindsay baker as a T.I.M.S. publication in 2004. 120 pages. $16.00.
Click the links if you have questions about
Logging In Passwords Invoices Payments/Renewals
Technical Issues can be answered by calling
(866) 457-2582
7:30am - 6:00pm Central Time
If you have questions about SPOOM, policies, membership, activities, etc,
go to our Contact Us page.