Inventor · disambiguated record
Karl B. Trehn
Also filed as: TREHN KARL B · TREHN KARL BENGT I SON
3 granted patents·303 citations·filing 1974–1981
78Inventor score
Top patents by PatentIndex Score
3 records- 0192US4460965ADevice for the use of and easily carried by an individualTREHN KARL B·Filed 1981·Granted Jul 17, 1984·140 cites·7 claims
- 0289US4310890AParking systemTREHN KARL B·Filed 1979·Granted Jan 12, 1982·150 cites·8 claims
- 0356US3959632AService purchasing systemTREHN KARL BENGT I SON·Filed 1974·Granted May 25, 1976·13 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →