Granted Patent
Utility
US 5,664,338 · App. 08/620,771
Inlet air seal for use with a cooler/dryer
Inventor:
Kelsey C. Thom, Jr.
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Mar 22, 1996
Inventor
Kelsey C. Thom, Jr.
Assignee (at issue)
California Pellet Mill Company
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.