Inventor · disambiguated record
John S. Tulk
Also filed as: TULK JOHN · TULK JOHN S
2 granted patents·1 pending application·26 citations·filing 1991–2005
60Inventor score
Top patents by PatentIndex Score
3 records- 0161US5858277AAqueous phosphor coating suspension for lampsOSRAM SYLVANIA INC·Filed 1992·Granted Jan 12, 1999·19 cites·6 claims
- 0242US5378398AMethod of treating europium activated strontium tetraborate phosphorGTE PROD CORP·Filed 1991·Granted Jan 3, 1995·7 cites·6 claims
- 0336US2009118801A1Discharge lamp having spectral power distribution shift and methods of making the sameTULK JOHN·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →