Y. Grant Chang

Follow

Person

Irvine, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Constant density printer system
- Patent number 6,896,429
- Issue date May 24, 2005
- Printronix, Inc.
- Dennis R. White
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Constant density printer system
- Patent number 6,695,495
- Issue date Feb 24, 2004
- Printronix, Inc.
- Dennis R. White
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line printer variable print ribbon system
- Patent number 6,478,487
- Issue date Nov 12, 2002
- Printronix, Inc.
- Jeng-Dung Jou
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
High strength metal alloys with high magnetic saturation induction...
- Patent number 6,423,155
- Issue date Jul 23, 2002
- Printronix, Inc.
- Y. Grant Chang
- C21 - METALLURGY OF IRON
Information Patent Grant
Resilient elastomeric line printer platen having outer layer of har...
- Patent number 6,244,768
- Issue date Jun 12, 2001
- Printronix, Inc.
- Y. Grant Chang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
High strength metal alloys with high magnetic saturation induction...
- Patent number 6,146,033
- Issue date Nov 14, 2000
- Printronix, Inc.
- Y. Grant Chang
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Ultra high capacity line-matrix printer ribbon
- Publication number 20070003348
- Publication date Jan 4, 2007
- Jeng-Dung Jou
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Constant density printer system
- Publication number 20040179881
- Publication date Sep 16, 2004
- Dennis R. White
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS