Inventor · disambiguated record
Joseph W. Griffith
Also filed as: GRIFFITH JOSEPH W · WELCH ROBERT B
5 granted patents·73 citations·filing 1973–1984
79Inventor score
Top patents by PatentIndex Score
5 records- 0177US4206831ALoudspeaker couplerROBERT B WELCH·Filed 1978·Granted Jun 10, 1980·38 cites·15 claims
- 0272USD252025SLoudspeakerWELCH ROBERT B·Filed 1977·Granted Jun 5, 1979·13 cites·1 claims
- 0355US4052266AMethod and apparatus for purifying process waste emissionsGRIFFITH JOSEPH W·Filed 1973·Granted Oct 4, 1977·15 cites·6 claims
- 0448US4127274ATone arm system for record turntableGRIFFITH JOSEPH W·Filed 1978·Granted Nov 28, 1978·7 cites·8 claims
- 0526US4559437AAir assisted hand held welding toolTEKTRONIX INC·Filed 1984·Granted Dec 17, 1985·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →