IP Library Granted Patent US 5,168,103
Granted Patent Utility
US 5,168,103 · App. 07/806,861

[[2-(amino-3,4-dioxo-1-cyclobuten-1-yl) amino]alkyl]-acid derivatives

Inventors: William A. Kinney, Deanna C. Garrison
Patented Case View Patent ↗
Granted: Dec 1, 1992 Filed: Dec 17, 1991
Inventors
William A. Kinney
Deanna C. Garrison
Assignee (at issue)
Amerimas Home Products, Inc.

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 5,168,103
App. No.
07/806,861
Filed
1991-12-17
Granted
1992-12-01
Kind
A