Granted Patent
Utility
US 4,619,436 · App. 06/765,489
Control regulator having a fabric reinforced diaphragm
Inventors:
William J. Bonzer, Gary L. Scott
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Aug 14, 1985
Inventors
William J. Bonzer
Gary L. Scott
Assignee (at issue)
Fisher Controls International 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.