IP Library › Granted Patent US 4,893,914
Granted Patent Utility
US 4,893,914 · App. 07/256,672

Test station

Inventors: Robert D. Hancock, Kenneth F. Hollman, Gene A. Porter
Patented Case View Patent ↗
Granted: Jan 16, 1990 Filed: Oct 12, 1988
Inventors
Robert D. Hancock
Kenneth F. Hollman
Gene A. Porter
Assignee (at issue)
The Micromanipulator Company, LLC

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 4,893,914
App. No.
07/256,672
Filed
1988-10-12
Granted
1990-01-16
Kind
A