Granted Patent
Utility
US 5,125,439 · App. 07/653,398
Method for controlling vapor emissions during loading of tankers
Inventor:
Thomas K. Perkins
Patented Case
View Patent ↗
Granted: Jun 30, 1992
Filed: Feb 11, 1991
Inventor
Thomas K. Perkins
Assignee (at issue)
Atlantic Richfield Company
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.