Granted Patent
Utility
US 6,502,618 · App. 09/621,883
Dual ring tire inflator with splittable support plate
Inventors:
John P. Kane, Karl D. Sachs
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jul 21, 2000
Inventors
John P. Kane
Karl D. Sachs
Assignee (at issue)
Burke E. Porter Marchinery 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.