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Spring, TX, United States of America

Harold E Payne

USPTO Granted Patents = 6

Average Co-Inventor Count = 2.9

ph-index = 6

Forward Citations = 294(Granted Patents)

Company Filing History:

Years Active: 2003-2004

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6722452 - Pantograph underreamer (2004-04-20),

2. 6644422 - Pantograph underreamer (2003-11-11),

3. 6595302 - Multi-blade underreamer (2003-07-22),

4. 6595301 - Single-blade underreamer (2003-07-22),

5. 6591922 - Pantograph underreamer and method for forming a well bore cavity (2003-07-15),

6. 6575255 - Pantograph underreamer (2003-06-10),

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