Granted Patent
Utility
US 5,137,250 · App. 07/461,163
Tie rod bearing unit for use in concrete form assemblies
Inventor:
Robert McCracken
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: Jan 5, 1990
Inventor
Robert McCracken
Assignee (at issue)
Economy Forms 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.