Granted Patent
Utility
US 4,977,936 · App. 07/400,815
Filler neck sealing assembly
Inventors:
Robert H. Thompson, Emil Szlaga, Robert S. Harris
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Aug 30, 1989
Inventors
Robert H. Thompson
Emil Szlaga
Robert S. Harris
Assignee (at issue)
Stant 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.