Granted Patent
Utility
US 4,784,130 · App. 06/937,730
Flow controller
Inventors:
Franklin D. Kenyon, John W. Puckhaber
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Dec 4, 1986
Inventors
Franklin D. Kenyon
John W. Puckhaber
Assignee (at issue)
The John Bunn Company
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.