IP Library Granted Patent US 4,980,957
Granted Patent Utility
US 4,980,957 · App. 07/410,515

Improved method of incremently drawing fibers

Inventor: Martin V. Sussman
Patented Case View Patent ↗
Granted: Jan 1, 1991 Filed: Sep 21, 1989
Inventor
Martin V. Sussman

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 4,980,957
App. No.
07/410,515
Filed
1989-09-21
Granted
1991-01-01
Kind
A