Letters Patent Grant Issued by United States Patent Office.
U.S. Patent 5,934,389 Issues to Mark S. Ramsey of Texas Drilling Associates
"Method for Increasing Hydraulic Efficiency of Drilling"
Full Text (on US Patent & Trademark Office Web Site here)
Note: The US Patent office is experiencing difficulty with their image
servers. If you have problems, please contact us directly for copies of the patent
documents.
For additional information, or discussions regarding licensing or related technologies, please contact:
Mark Ramsey
Texas Drilling Associates
6130 Inway Drive
Spring, Texas USA
281-320-2999 voice
281-754-4898 fax
markATtdaweb.com (replace the AT with @)
