VST Demo

Over 400 hours of research at the US Patent Office Web site turned up over 900 high mileage fuel vaporizing systems. This Demo displays 56 of them. Easy to navigate, as this public domain information is laid out first by decade, then type of vaporizing system. Also has pages for US Government, Oil Company, and Car Maker patents. Categories with 8 or more entries have link to first patent on that page. Full version s other patent numbers can be seen by highlighting blocked out text on each page. Demo does not have an expiration, and can be used indefinitely.

Requirements:

Windows 95/98/Me/NT/2000/XP, PDF viewer

Limitations:

Search disabled, 56 patents (920 in full version)