Granted Patent
Utility
US 6,547,217 · App. 09/951,576
Variable reach lift arm
Inventor:
Olen Dean Dygert
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Sep 12, 2001
Inventor
Olen Dean Dygert
Assignee (at issue)
PCC Superior Fabrication
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.