Granted Patent
Utility
US 4,949,475 · App. 07/453,516
Temperature compensated ventilating roll
Inventors:
Arnold J. Roerig, Gregory L. Wedel, Dale A. Brown
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Dec 20, 1989
Inventors
Arnold J. Roerig
Gregory L. Wedel
Dale A. Brown
Assignee (at issue)
Beloit Corporation
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.