Granted Patent
Utility
US 6,375,105 · App. 09/531,627
Jaw crusher toggle beam hydraulic relief and clearing
Inventors:
Matthew Haven, Patrick Quella, Brian P. Jaworski
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Mar 21, 2000
Inventors
Matthew Haven
Patrick Quella
Brian P. Jaworski
Assignee (at issue)
Astec Industries, 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.