Granted Patent
Utility
US 5,492,082 · App. 08/183,125
Method and apparatus for controlling temperature within poultry houses and the like
Inventors:
Robert E. Krevinghaus, William M. Smith, George Strohschein, Ray E. Swartzendruber
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Jan 18, 1994
Inventors
Robert E. Krevinghaus
William M. Smith
George Strohschein
Ray E. Swartzendruber
Assignee (at issue)
CTB HOLDINGS 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.