Granted Patent
Utility
US 5,145,127 · App. 07/653,272
Wheels
Inventors:
Raymond H. Barnes, Nicholas R. Lee, Trevor C. Wells
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Feb 11, 1991
Inventors
Raymond H. Barnes
Nicholas R. Lee
Trevor C. Wells
Assignee (at issue)
Dunlop Limited, A British 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.