Herbert M. Riggs — 1 Patent at Unknown

Herbert M. Riggs has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1986. Herbert M. Riggs ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Herbert M. Riggs in Medina, MN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4568309	Multi-action toy vehicle	John G. Maxim, Andrew E. Plakos	1986-02-04

Herbert M. Riggs — 1 Patent

Issued Patents All Time

Patent Widget