Granted Patent
Utility
US 5,085,810 · App. 07/653,055
Water carbonator system
Inventor:
Bruce D. Burrows
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Feb 11, 1991
Inventor
Bruce D. Burrows
Assignee (at issue)
Ebtech 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.