Granted Patent
Utility
US 5,352,292 · App. 08/000,351
Apparatus for coating exterior weld joints of a pipe
Inventor:
Samuel Thomas
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Jan 4, 1993
Inventor
Samuel Thomas
Assignee (at issue)
The Kendall Company LP
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.