Granted Patent
Utility
US 6,533,527 · App. 09/638,777
Boom and boom cylinder quick coupler
Inventors:
Yonezo Inoue, Allen E. Kimble
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Aug 15, 2000
Inventors
Yonezo Inoue
Allen E. Kimble
Assignee (at issue)
JRB Company, Inc.
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.