Darrell Stephen Rulon

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Toner cartridge having a shutter lock mechanism
- Patent number 9,031,451
- Issue date May 12, 2015
- Lexmark International, Inc.
- Darrell Stephen Rulon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Toner Cartridge Having a Shutter Lock Mechanism
- Publication number 20140241758
- Publication date Aug 28, 2014
- Lexmark International, Inc.
- Darrell Stephen Rulon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY