Granted Patent
Utility
US 4,498,604 · App. 06/401,652
Automatic inflator
Inventor:
Glenn H. Mackal
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Jul 26, 1982
Inventor
Glenn H. Mackal
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.