IP Library Granted Patent US 4,425,408
Granted Patent Utility
US 4,425,408 · App. 06/440,988

Production of single crystal semiconductors

Inventors: Jules D. Levine, William R. McKee, Kent R. Carson
Patented Case View Patent ↗
Granted: Jan 10, 1984 Filed: Nov 12, 1982
Inventors
Jules D. Levine
William R. McKee
Kent R. Carson
Assignee (at issue)
Texas Instruments 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 4,425,408
App. No.
06/440,988
Filed
1982-11-12
Granted
1984-01-10
Kind
A