Inventor · disambiguated record
Frederick L. Kurrle
Also filed as: KURRLE FREDERICK L
9 granted patents·360 citations·filing 1974–1999
91Inventor score
Files withWESTVACO CORP9
Top patents by PatentIndex Score
9 records- 0192US6054021AProcess of manufacturing authenticatable paper productsWESTVACO CORP·Filed 1999·Granted Apr 25, 2000·100 cites·6 claims
- 0288US5411639AProcess for enhancing sizing efficiency in filled papersWESTVACO CORP·Filed 1993·Granted May 2, 1995·71 cites·12 claims
- 0382US4026721AComposite silicate pigmentWESTVACO CORP·Filed 1976·Granted May 31, 1977·22 cites·17 claims
- 0481US4117191AComposite silicate pigmentWESTVACO CORP·Filed 1977·Granted Sep 26, 1978·31 cites·7 claims
- 0580US6214766B1Security feature for paper productsWESTVACO CORP·Filed 1999·Granted Apr 10, 2001·47 cites·6 claims
- 0675US5514212AProcess for enhancing sizing efficiency in filled papersWESTVACO CORP·Filed 1994·Granted May 7, 1996·32 cites·11 claims
- 0771US4072537AComposite silicate pigmentWESTVACO CORP·Filed 1977·Granted Feb 7, 1978·21 cites·5 claims
- 0868US6019872AAuthenticatable bleached chemical paper productsWESTVACO CORP·Filed 1999·Granted Feb 1, 2000·27 cites·3 claims
- 0956US3931061ABlushed polystyrene pigmentWESTVACO CORP·Filed 1974·Granted Jan 6, 1976·9 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →