Ronald S. Rukan

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Simpsonville, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressurized writing instrument employing a compressible piston member
- Patent number 6,361,234
- Issue date Mar 26, 2002
- BIC Corporation
- Ronald S Rukan
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Double seal system for pressurized writing device
- Patent number 5,924,810
- Issue date Jul 20, 1999
- BIC Corporation
- Ronald Stephen Rukan
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Fillerless writing instrument
- Patent number 5,906,446
- Issue date May 25, 1999
- BIC Corporation
- Russell McCulloch
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Vented plug for ink cartridges
- Patent number 5,415,487
- Issue date May 16, 1995
- BIC Corporation
- Ronald S. Rukan
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES