Granted Patent
Utility
US 5,644,072 · App. 08/559,760
Evaporative emissions test apparatus and method
Inventors:
Peter R. Chirco, R. Clayton McKeon
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Nov 13, 1995
Inventors
Peter R. Chirco
R. Clayton McKeon
Assignee (at issue)
K-LINE INDUSTRIES, 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.