Granted Patent
Utility
US 4,934,869 · App. 07/409,603
Gripper device for column supported structures
Inventors:
John W. Brandon, Larry R. Kovar
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Sep 19, 1989
Inventors
John W. Brandon
Larry R. Kovar
Assignee (at issue)
Marine Contractor Services, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.