Granted Patent
Utility
US 5,184,784 · App. 07/686,506
Anvil for use in a centrifugal impact crusher
Inventors:
Neil M. Rose, Stephen B. Ackers, William F. Burr, Brett Rose
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Apr 17, 1991
Inventors
Neil M. Rose
Stephen B. Ackers
William F. Burr
Brett Rose
Assignee (at issue)
Canica Crushers, 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.