Inventor · disambiguated record
John W. Havrilla
Also filed as: HAVRILLA JOHN W · HAVRILLA JR JOHN W · WELSH JOHN
3 granted patents·209 citations·filing 1977–1994
77Inventor score
Top patents by PatentIndex Score
3 records- 0192US5503310ACombination indicator and garment hangerDIFFERENT DIMENSIONS INC·Filed 1994·Granted Apr 2, 1996·98 cites·16 claims
- 0286US4171096ASpray gun nozzle attachmentWELSH JOHN·Filed 1977·Granted Oct 16, 1979·80 cites·11 claims
- 0358US4899938ALiquid spray nozzle adapterHAVRILLA JR JOHN W·Filed 1987·Granted Feb 13, 1990·31 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →