IP Library Granted Patent US 4,432,748
Granted Patent Utility
US 4,432,748 · App. 05/905,695

Centrifuge apparatus and method of operating a centrifuge

Inventors: John Novoselac, Dale L. Churcher
Patented Case View Patent ↗
Granted: Feb 21, 1984 Filed: May 15, 1978
Inventors
John Novoselac
Dale L. Churcher
Assignee (at issue)
Joy Manufacturing Company

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 4,432,748
App. No.
05/905,695
Filed
1978-05-15
Granted
1984-02-21
Kind
A