Inventor · disambiguated record
Karl W. Nicholas
Also filed as: NICHOLAS KARL W
3 granted patents·48 citations·filing 1979–1982
72Inventor score
Files withHARCO CORP3
Top patents by PatentIndex Score
3 records- 0158US4322805AElectrical survey method and apparatusHARCO CORP·Filed 1979·Granted Mar 30, 1982·17 cites·102 claims
- 0255US4438391AElectrical survey apparatus and method with spinner-type conductor supplyHARCO CORP·Filed 1982·Granted Mar 20, 1984·19 cites·45 claims
- 0346US4414511ALow resistance, fluid replenishing, reference cell and method for using same in structure-to-soil electrical surveysHARCO CORP·Filed 1980·Granted Nov 8, 1983·12 cites·34 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →