IP Library Granted Patent US 4,821,674
Granted Patent Utility
US 4,821,674 · App. 07/032,474

Rotatable substrate supporting mechanism with temperature sensing device for use in chemical vapor deposition equipment

Inventors: Wiebe B. deBoer, Albert E. Ozias
Patented Case View Patent ↗
Granted: Apr 18, 1989 Filed: Mar 31, 1987
Inventors
Wiebe B. deBoer
Albert E. Ozias

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 4,821,674
App. No.
07/032,474
Filed
1987-03-31
Granted
1989-04-18
Kind
A