Granted Patent
Utility
US 4,253,534 · App. 06/039,585
Splash-resistant scale
Inventors:
Donivan L. Hall, Helmwart Fuelles
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: May 17, 1979
Inventors
Donivan L. Hall
Helmwart Fuelles
Assignee (at issue)
Reliance Electric Limited
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.