Granted Patent
Utility
US 4,279,446 · App. 06/115,462
Segmented wheel clamp
Inventors:
Richard W. Bushmeyer, Thomas Schwabe
Patented Case
View Patent ↗
Granted: Jul 21, 1981
Filed: Jan 25, 1980
Inventors
Richard W. Bushmeyer
Thomas Schwabe
Assignee (at issue)
J. I. Case 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.