IP Library › Granted Patent US 4,374,111
Granted Patent Utility
US 4,374,111 · App. 06/208,978

Production of silane

Inventor: Philip A. Lefrancois
Patented Case View Patent ↗
Granted: Feb 15, 1983 Filed: Nov 21, 1980
Inventor
Philip A. Lefrancois
Assignee (at issue)
ALLIED CONSULTING, 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 4,374,111
App. No.
06/208,978
Filed
1980-11-21
Granted
1983-02-15
Kind
A