IP Library Granted Patent US 4,801,846
Granted Patent Utility
US 4,801,846 · App. 07/112,026

Rare earth halide light source with enhanced red emission

Inventors: Jerry Kramer, Walter P. Lapatovich
Patented Case View Patent ↗
Granted: Jan 31, 1989 Filed: Oct 23, 1987
Inventors
Jerry Kramer
Walter P. Lapatovich
Assignee (at issue)
GTE Laboratories Incorporated

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 4,801,846
App. No.
07/112,026
Filed
1987-10-23
Granted
1989-01-31
Kind
A