Granted Patent
Utility
US 5,123,547 · App. 07/654,586
Equipment for storing and shipping pipes
Inventor:
Robert Koch
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Feb 13, 1991
Inventor
Robert Koch
Assignee (at issue)
DRILLTEC PATENTS & TECHNOLOGIES CORPORATION
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.