IP Library Granted Patent US 4,993,544
Granted Patent Utility
US 4,993,544 · App. 07/412,451

Plastic modular conveyor belts and modules therefor

Inventors: Peter K. Bailey, Michael L. Spangler
Patented Case View Patent ↗
Granted: Feb 19, 1991 Filed: Sep 26, 1989
Inventors
Peter K. Bailey
Michael L. Spangler
Assignee (at issue)
Cambridge Wire Cloth 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 4,993,544
App. No.
07/412,451
Filed
1989-09-26
Granted
1991-02-19
Kind
A