Inventor · disambiguated record
Douglas C. Madsen
Also filed as: MADSEN DOUGLAS C
3 granted patents·45 citations·filing 1995–2000
72Inventor score
Technology areasE01F
Top patents by PatentIndex Score
3 records- 0160US6101967APlastic barricade assemblyPLASTICADE PRODUCTS CORP·Filed 1998·Granted Aug 15, 2000·26 cites·8 claims
- 0248US6561120B1Plastic barricade assemblyPLASTICIDE PRODUCTS CORP·Filed 2000·Granted May 13, 2003·5 cites·18 claims
- 0338US5570972ATraffic barricade and flasher light assembly with combination flasher light mounting apparatus and carrying handlePLASTICADE PRODUCTS CORP·Filed 1995·Granted Nov 5, 1996·14 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →