IP Library Granted Patent US 4,054,624
Granted Patent Utility
US 4,054,624 · App. 05/640,678

Preparing a hydrated contact lens

Inventors: Albert R. Le Boeuf, William R. Grovesteen
Patented Case View Patent ↗
Granted: Oct 18, 1977 Filed: Dec 15, 1975
Inventors
Albert R. Le Boeuf
William R. Grovesteen
Assignee (at issue)
WARNER-LAMBERT COMPANY LLC

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 4,054,624
App. No.
05/640,678
Filed
1975-12-15
Granted
1977-10-18
Kind
A