Granted Patent
Utility
US 5,239,933 · App. 07/847,660
Auto rack panel gap sealer and bumper
Inventors:
Richard F. Murphy, Michael K. Burke, Michael Murphy
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Mar 5, 1992
Inventors
Richard F. Murphy
Michael K. Burke
Michael Murphy
Assignee (at issue)
ZefTek, 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.