Granted Patent
Utility
US 4,248,800 · App. 06/022,742
Manufacture of organic hydrazines
Inventors:
Uday D. Wagle, Timothy Belford
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Mar 22, 1979
Inventors
Uday D. Wagle
Timothy Belford
Assignee (at issue)
Pennwalt 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.