IP Library Granted Patent US 4,941,196
Granted Patent Utility
US 4,941,196 · App. 07/265,583

Tamper evident bag

Inventors: Paul F. Edelman, Cynthia M. Nulliner
Patented Case View Patent ↗
Granted: Jul 10, 1990 Filed: Nov 1, 1988
Inventors
Paul F. Edelman
Cynthia M. Nulliner
Assignee (at issue)
KCL Corporation

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 4,941,196
App. No.
07/265,583
Filed
1988-11-01
Granted
1990-07-10
Kind
A