Granted Patent
Utility
US 4,101,042 · App. 05/812,648
Bottle disc
Inventors:
Lawrence Strong, Chester H. Rilling
Patented Case
View Patent ↗
Granted: Jul 18, 1978
Filed: Jul 5, 1977
Inventors
Lawrence Strong
Chester H. Rilling
Assignee (at issue)
Questor Corp.
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.