Granted Patent
Utility
US 5,129,355 · App. 07/567,238
High pressure water jet cleaner and coating applicator
Inventors:
Sidney A. Taylor, Stanley J. Rogala
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Aug 14, 1990
Inventors
Sidney A. Taylor
Stanley J. Rogala
Assignee (at issue)
CRC-EVANS PIPELINE INTERNATIONAL, 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.