Granted Patent
Utility
US 6,367,103 · App. 09/672,745
Invalid hoists
Inventor:
Nicholas Ryan Collins
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Sep 28, 2000
Inventor
Nicholas Ryan Collins
Assignee (at issue)
Arjo Limited
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.