Granted Patent
Utility
US 5,143,395 · App. 07/680,144
Ski
Inventor:
Bernhard Mayr
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Apr 3, 1991
Inventor
Bernhard Mayr
Assignee (at issue)
Head Sportgerate Gesellschaft m.b.H. & Co. OHG
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.