Granted Patent
Utility
US 4,540,976 · App. 06/437,845
Circuit arrangement for a buoyant alarm device
Inventor:
Richard J. Wegrzyn
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Oct 29, 1982
Inventor
Richard J. Wegrzyn
Assignee (at issue)
Remington Products 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.