IP Library › Granted Patent US 4,828,053
Granted Patent Utility
US 4,828,053 · App. 07/143,005

Deviated wellbore drilling system and apparatus

Inventors: William C. Maurer, William J. McDonald
Patented Case View Patent ↗
Granted: May 9, 1989 Filed: Jan 12, 1988
Inventors
William C. Maurer
William J. McDonald
Assignee (at issue)
Maurer Engineering GmbH

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Quick Facts
Patent No.
US 4,828,053
App. No.
07/143,005
Filed
1988-01-12
Granted
1989-05-09
Kind
A