Granted Patent
Utility
US 4,712,955 · App. 06/734,416
Expandable fastener assembly
Inventors:
Marvin P. Reece, Jose Rosan, Jr.
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: May 14, 1985
Inventors
Marvin P. Reece
Jose Rosan, Jr.
Assignee (at issue)
REXNORD GMBH
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.