Granted Patent
Utility
US 4,183,390 · App. 05/791,761
Puncture-sealing tire
Inventor:
Robert W. Hallman
Patented Case
View Patent ↗
Granted: Jan 15, 1980
Filed: Apr 28, 1977
Inventor
Robert W. Hallman
Assignee (at issue)
B. F. Goodrich 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.