IP Library Granted Patent US 4,454,403
Granted Patent Utility
US 4,454,403 · App. 06/211,975

Microwave heating method and apparatus

Inventors: Wesley W. Teich, Kenneth W. Dudley
Patented Case View Patent ↗
Granted: Jun 12, 1984 Filed: Dec 1, 1980
Inventors
Wesley W. Teich
Kenneth W. Dudley
Assignee (at issue)
Raytheon 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 4,454,403
App. No.
06/211,975
Filed
1980-12-01
Granted
1984-06-12
Kind
A