IP Library Granted Patent US 4,387,848
Granted Patent Utility
US 4,387,848 · App. 05/839,156

Centrifuge assembly

Inventors: Robert M. Kellogg, Alfred P. Mulzet
Patented Case View Patent ↗
Granted: Jun 14, 1983 Filed: Oct 3, 1977
Inventors
Robert M. Kellogg
Alfred P. Mulzet
Assignee (at issue)
International Business Machines Corporation

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 4,387,848
App. No.
05/839,156
Filed
1977-10-03
Granted
1983-06-14
Kind
A