IP Library › Granted Patent US 4,903,849
Granted Patent Utility
US 4,903,849 · App. 07/342,732

Tamper evident cap and bottle

Inventor: Irwin Wallman
Patented Case View Patent ↗
Granted: Feb 27, 1990 Filed: Apr 24, 1989
Inventor
Irwin Wallman

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,903,849
App. No.
07/342,732
Filed
1989-04-24
Granted
1990-02-27
Kind
A