Granted Patent
Utility
US 4,032,029 · App. 05/673,630
Tamper-proof bottle cap and container
Inventor:
Benjamin A. Cochrane
Patented Case
View Patent ↗
Granted: Jun 28, 1977
Filed: Apr 5, 1976
Inventor
Benjamin A. Cochrane
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.