Granted Patent
Utility
US 4,299,265 · App. 06/135,232
Restraining wheel means
Inventor:
Bernard D. Alm
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Mar 31, 1980
Inventor
Bernard D. Alm
Assignee (at issue)
FMC CORPORATION
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.