Granted Patent
Utility
US 4,199,159 · App. 05/928,473
Flexible sealing boot
Inventor:
Anthony C. Evans
Patented Case
View Patent ↗
Granted: Apr 22, 1980
Filed: Aug 1, 1978
Inventor
Anthony C. Evans
Assignee (at issue)
KELSEY-HAYES-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.