IP Library › Granted Patent US 5,339,796
Granted Patent Utility
US 5,339,796 · App. 07/956,762

Reusable warmers of the type employing a super-cooled solution and an activator

Inventor: Charles F. Manker
Patented Case View Patent ↗
Granted: Aug 23, 1994 Filed: Dec 7, 1992
Inventor
Charles F. Manker
Assignee (at issue)
PRISM TECHNOLOGIES LLC

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 5,339,796
App. No.
07/956,762
Filed
1992-12-07
Granted
1994-08-23
Kind
A