Granted Patent
Utility
US 4,836,894 · App. 07/048,500
Profiling air/steam system for paper-making machines
Inventors:
James L. Chance, Laurie D. Wicks
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Apr 27, 1987
Inventors
James L. Chance
Laurie D. Wicks
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.