Christopher A. Down — 1 Patent at Hasbro

Christopher A. Down has been granted 1 US patent while listed as an inventor at Hasbro. All of these patents were granted in 1997. Christopher A. Down ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Christopher A. Down in Beverly, MA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5676374	Toy staircase game apparats and method	David W. Bossa, Edward J. Estabrook, Ralph J. Kulesza, Wayne A. Kuna	1997-10-14	$22,726,000

Christopher A. Down — 1 Patent

Issued Patents All Time

Patent Widget