Granted Patent
Utility
US 6,581,898 · App. 09/792,746
Bearing block for alignment and handling of concrete forms
Inventor:
Robert McCracken
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Feb 23, 2001
Inventor
Robert McCracken
Assignee (at issue)
Wilian Holding Co.
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.