IP Library › Granted Patent US 4,984,549
Granted Patent Utility
US 4,984,549 · App. 07/120,638

Electromagnetic injection valve

Inventor: Gerhard Mesenich
Patented Case View Patent ↗
Granted: Jan 15, 1991 Filed: Nov 13, 1987
Inventor
Gerhard Mesenich
Assignee (at issue)
COLTEC INDUSTRIES, INC.

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 4,984,549
App. No.
07/120,638
Filed
1987-11-13
Granted
1991-01-15
Kind
A