David S. Waldrop

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for driving multiple ink jet printheads with a single set...
- Patent number 5,867,183
- Issue date Feb 2, 1999
- Lexmark International, Inc.
- Robert Wilson Cornell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print quality enhancement method and apparatus
- Patent number 5,480,240
- Issue date Jan 2, 1996
- Lexmark International, Inc.
- John P. Bolash
- G06 - COMPUTING CALCULATING COUNTING