Granted Patent
Utility
US 6,601,789 · App. 09/532,648
Rock crusher impact shoe
Inventors:
William J. Bajadali, Kyle P. Olmstead
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Mar 22, 2000
Inventors
William J. Bajadali
Kyle P. Olmstead
Assignee (at issue)
Spokane Industries
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.