Fractional Patents

Update: There are more fractional patents online! Check out this page.

The links to the left are to the fractional X patents which are available at the US Patent site.
This assumes that you have loaded at tiff viewer. AlternaTiff for Windows systems is available free from http://www.alternaTiff.com

H = 1/2
N = 7/8
L = 3/4
D = 1/4
The mapping of fractions to letters is explained on this page at the USPTO site.

Clicks on the 'advance' link (top left corner) will display the next patent in the sequence.

More on X patents

If you don't see a frame to the left please click here.