Granted Patent
Utility
US 4,479,667 · App. 06/258,645
Adjustable standpipe apparatus for evaporative coolers
Inventors:
Frederick A. Major, deceased, Henry M. Woike, Clare M. Major, executrix
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Apr 29, 1981
Inventors
Frederick A. Major, deceased
Henry M. Woike
Clare M. Major, executrix
Assignee (at issue)
Clare M. Major
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.