IP Library Granted Patent US 4,799,713
Granted Patent Utility
US 4,799,713 · App. 07/156,988

Roof drain coupling

Inventor: Katharine A. Uglow
Patented Case View Patent ↗
Granted: Jan 24, 1989 Filed: Feb 18, 1988
Inventor
Katharine A. Uglow

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 4,799,713
App. No.
07/156,988
Filed
1988-02-18
Granted
1989-01-24
Kind
A