Charles S. Whitman

Follow

Person

Lexington, KY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing desired tantalum phase
- Patent number 6,395,148
- Issue date May 28, 2002
- Lexmark International, Inc.
- Charles Spencer Whitman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Ink jet printhead having improved reliability
- Patent number 6,213,587
- Issue date Apr 10, 2001
- Lexmark International, Inc.
- Charles S. Whitman
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Controlled layer of tantalum for thermal ink jet printer
- Patent number 6,142,612
- Issue date Nov 7, 2000
- Lexmark International, Inc.
- Charles Spencer Whitman
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fabrication of thermal ink-jet feed slots in a silicon substrate
- Patent number 5,658,471
- Issue date Aug 19, 1997
- Lexmark International, Inc.
- Ashok Murthy
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printing nozzle array bonded to a polymer ink barrier layer
- Patent number 5,493,320
- Issue date Feb 20, 1996
- Lexmark International, Inc.
- David L. Sandbach
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS