IP Library Granted Patent US 4,388,366
Granted Patent Utility
US 4,388,366 · App. 06/390,249

Insulation board

Inventors: Dennis W. Rosato, Neil K. Lister
Patented Case View Patent ↗
Granted: Jun 14, 1983 Filed: Jun 21, 1982
Inventors
Dennis W. Rosato
Neil K. Lister

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 4,388,366
App. No.
06/390,249
Filed
1982-06-21
Granted
1983-06-14
Kind
A