IP Library Granted Patent US 4,698,928
Granted Patent Utility
US 4,698,928 · App. 06/796,327

Sign holder

Inventor: Andrzej L. Soporowski
Patented Case View Patent ↗
Granted: Oct 13, 1987 Filed: Nov 7, 1985
Inventor
Andrzej L. Soporowski
Assignee (at issue)
Esselte Pendaflex Corporation

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 4,698,928
App. No.
06/796,327
Filed
1985-11-07
Granted
1987-10-13
Kind
A