Granted Patent
Utility
US 6,318,445 · App. 09/602,429
Riser topping gathering system and method
Inventors:
Michael E. Smorynski, Craig Peters, Greg Morris, Frank E. Arthurs
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Jun 23, 2000
Inventors
Michael E. Smorynski
Craig Peters
Greg Morris
Frank E. Arthurs
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.