Granted Patent
Utility
US 5,199,344 · App. 07/713,714
Lock cylinder for backhoe slide frame
Inventors:
Oryn B. Wagner, Knute K. Brock
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Jun 11, 1991
Inventors
Oryn B. Wagner
Knute K. Brock
Assignee (at issue)
CLARK EQUIPMENT COMPANY
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.