IP Library › Granted Patent US 4,752,037
Granted Patent Utility
US 4,752,037 · App. 07/033,314

Vane wheel assembly for rb mills

Inventors: Lawrence S. Farris, David Kohler
Patented Case View Patent ↗
Granted: Jun 21, 1988 Filed: Apr 1, 1987
Inventors
Lawrence S. Farris
David Kohler
Assignee (at issue)
Combustion Engineering, 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 4,752,037
App. No.
07/033,314
Filed
1987-04-01
Granted
1988-06-21
Kind
A