Inventor · disambiguated record
R. Douglas Fredrickson
Also filed as: FREDRICKSON R DOUGLAS
3 granted patents·7 citations·filing 2016–2020
55Inventor score
Files withFREDRICKSON R DOUGLAS3
Top patents by PatentIndex Score
3 records- 0180US10309824B2Weight sensing vehicle hitchFREDRICKSON R DOUGLAS·Filed 2016·Granted Jun 4, 2019·7 cites·7 claims
- 0242US11554621B2Trailer side and vehicle side weight sensorsFREDRICKSON R DOUGLAS·Filed 2020·Granted Jan 17, 2023·0 cites·19 claims
- 0337US10753789B2Weight sensing vehicle hitchFREDRICKSON R DOUGLAS·Filed 2018·Granted Aug 25, 2020·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →