Granted Patent
Utility
US 5,256,254 · App. 07/729,524
Methods of controlling deposition in a paper machine dryer section
Inventors:
Jacqueline K. Pease, Dennis Barton, Glenn Henderson
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Jul 12, 1991
Inventors
Jacqueline K. Pease
Dennis Barton
Glenn Henderson
Assignee (at issue)
Betz PaperChem 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.