IP Library › Granted Patent US 3,992,889
Granted Patent Utility
US 3,992,889 · App. 05/585,377

Flotation means for subsea well riser

Inventors: Bruce J. Watkins, A. Michael Regan
Patented Case View Patent ↗
Granted: Nov 23, 1976 Filed: Jun 9, 1975
Inventors
Bruce J. Watkins
A. Michael Regan
Assignee (at issue)
Regan Offshore International, Inc.

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Quick Facts
Patent No.
US 3,992,889
App. No.
05/585,377
Filed
1975-06-09
Granted
1976-11-23
Kind
A