Granted Patent
Utility
US 5,285,519 · App. 07/847,926
Transparent film radiant heat source for incubators having hook retaining means
Inventors:
Barry E. Barsky, Joseph P. Bagnell, Jan F. Wenstrup
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Mar 6, 1992
Inventors
Barry E. Barsky
Joseph P. Bagnell
Jan F. Wenstrup
Assignee (at issue)
Air-Shields, 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.