IP Library › Granted Patent US 4,300,580
Granted Patent Utility
US 4,300,580 · App. 05/757,709

Hair grooming method using linear polyesters

Inventors: George J. O'Neill, Allan R. Rothwell
Patented Case View Patent ↗
Granted: Nov 17, 1981 Filed: Jan 7, 1977
Inventors
George J. O'Neill
Allan R. Rothwell
Assignee (at issue)
EASTMAN KODAK 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 4,300,580
App. No.
05/757,709
Filed
1977-01-07
Granted
1981-11-17
Kind
A