Inventor · disambiguated record
Douglas C. Steffens
Also filed as: STEFFENS DOUGLAS C
3 granted patents·44 citations·filing 2007–2012
73Inventor score
Technology areasY10T
Top patents by PatentIndex Score
3 records- 0189US7735881B2Folding cargo bay cover for pickup truckSTEFFENS ENTPR INC·Filed 2007·Granted Jun 15, 2010·23 cites·3 claims
- 0288US8205928B2Folding cargo bay cover for pickup truckSTEFFENS CHARLES J·Filed 2010·Granted Jun 26, 2012·15 cites·10 claims
- 0380US9669689B2Folding cargo bay cover for pickup truckSTEFFENS CHARLES J·Filed 2012·Granted Jun 6, 2017·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →