IP Library › Granted Patent US 4,843,771
Granted Patent Utility
US 4,843,771 · App. 07/213,210

Wall trim member

Inventors: Robert M. Chapman, Robert J. Menchetti
Patented Case View Patent ↗
Granted: Jul 4, 1989 Filed: Jun 29, 1988
Inventors
Robert M. Chapman
Robert J. Menchetti
Assignee (at issue)
National Gypsum 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 4,843,771
App. No.
07/213,210
Filed
1988-06-29
Granted
1989-07-04
Kind
A