Granted Patent
Utility
US 4,386,141 · App. 06/351,048
Watering device for batteries
Inventors:
Evert C. Weidner, William B. Brecht
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Feb 22, 1982
Inventors
Evert C. Weidner
William B. Brecht
Assignee (at issue)
Exide 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.