IP Library › Granted Patent US 4,650,339
Granted Patent Utility
US 4,650,339 · App. 06/829,855

Solution mixing method and apparatus

Inventors: Raphael Joseph Francis Chetcuti, John E. Melbourne
Patented Case View Patent ↗
Granted: Mar 17, 1987 Filed: Feb 14, 1986
Inventors
Raphael Joseph Francis Chetcuti
John E. Melbourne
Assignee (at issue)
Ciba-Geigy

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 4,650,339
App. No.
06/829,855
Filed
1986-02-14
Granted
1987-03-17
Kind
A