Douglas A. Dray — 3 Patents at Karavan Trailers

Douglas A. Dray has been granted 3 US patents while listed as an inventor at Karavan Trailers. The first was granted in 2002 and the most recent in December 2003. Douglas A. Dray ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Douglas A. Dray in Beaver Dam, WI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6663130	Method of using pontoon trailer travel kit	—	2003-12-16
6648360	Combination pontoon boat, trailer and travel kit	—	2003-11-18
6481737	Pontoon trailer travel kit	—	2002-11-19

Douglas A. Dray — 3 Patents

Issued Patents All Time

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