Granted Patent
Utility
US 4,987,291 · App. 07/436,757
Heater straps
Inventors:
Thomas H. McGaffigan, Rodney L. Derbyshire, Douglas Wilkerson
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Nov 15, 1989
Inventors
Thomas H. McGaffigan
Rodney L. Derbyshire
Douglas Wilkerson
Assignees (at issue)
Metcal, Inc.
AMP LLC
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.