Granted Patent
Utility
US 6,142,292 · App. 09/274,178
Method and apparatus to prevent a bearing from rotating in a bearing housing
Inventor:
Harold E. Patterson
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Mar 23, 1999
Inventor
Harold E. Patterson
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.