William Dorrough — 1 Patent at Unknown

William Dorrough has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2003. William Dorrough ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list William Dorrough in Kennedale, TX, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6658685	Airport bridge and lift	William Ratliff, Fredrick Keish, James H. Angel	2003-12-09

William Dorrough — 1 Patent

Issued Patents All Time

Patent Widget