Granted Patent
Utility
US 4,706,358 · App. 07/024,881
Tool for removal of rubber exhaust hangers
Inventors:
Daniel C. Johnson, David J. Brummel
Patented Case
View Patent ↗
Granted: Nov 17, 1987
Filed: Mar 11, 1987
Inventors
Daniel C. Johnson
David J. Brummel
Assignee (at issue)
Maremont Corporation
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.