IP Library Granted Patent US 4,540,099
Granted Patent Utility
US 4,540,099 · App. 06/607,082

Tamper indicating package

Inventors: Peter T. Swartzbaugh, Edward M. Hehl
Patented Case View Patent ↗
Granted: Sep 10, 1985 Filed: May 4, 1984
Inventors
Peter T. Swartzbaugh
Edward M. Hehl
Assignee (at issue)
Owens-Illinois Inc.

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 4,540,099
App. No.
06/607,082
Filed
1984-05-04
Granted
1985-09-10
Kind
A