Granted Patent
Utility
US 4,518,544 · App. 06/459,735
Serpentine film fill packing for evaporative heat and mass exchange
Inventors:
Thomas P. Carter, Edward N. Schinner, Richard H. Harrison, Jr., Robert E. Cates
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Jan 20, 1983
Inventors
Thomas P. Carter
Edward N. Schinner
Richard H. Harrison, Jr.
Robert E. Cates
Assignee (at issue)
Baltimore Aircoil Company, 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.