Inventor · disambiguated record
Ronald S. Rukan
Also filed as: RUKAN RONALD · RUKAN RONALD S · RUKAN RONALD STEPHEN
5 granted patents·1 pending application·89 citations·filing 1993–2003
81Inventor score
Top patents by PatentIndex Score
6 records- 0189US5906446AFillerless writing instrumentBIC CORP·Filed 1996·Granted May 25, 1999·51 cites·26 claims
- 0270US6361234B1Pressurized writing instrument employing a compressible piston memberBIC CORP·Filed 2000·Granted Mar 26, 2002·16 cites·26 claims
- 0356USD500084SApplicatorBIC SOC·Filed 2003·Granted Dec 21, 2004·9 cites·1 claims
- 0442US2004126556A1Grip elementFiled 2002·Application pending·0 cites
- 0540US5415487AVented plug for ink cartridgesBIC CORP·Filed 1993·Granted May 16, 1995·8 cites·14 claims
- 0638US5924810ADouble seal system for pressurized writing deviceBIC CORP·Filed 1997·Granted Jul 20, 1999·5 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →