IP Library › Granted Patent US 5,669,504
Granted Patent Utility
US 5,669,504 · App. 08/504,880

Thermoplastic bag closure

Inventors: Richard E. Leone, William J. Randolph
Patented Case View Patent ↗
Granted: Sep 23, 1997 Filed: Jul 20, 1995
Inventors
Richard E. Leone
William J. Randolph
Assignee (at issue)
Tenneco Plastics Company

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 5,669,504
App. No.
08/504,880
Filed
1995-07-20
Granted
1997-09-23
Kind
A