IP Library Granted Patent US 5,126,980
Granted Patent Utility
US 5,126,980 · App. 07/646,967

Self-orienting vertically sensitive accelerometer

Inventors: John J. Sallas, Jack Gamill Clemens
Patented Case View Patent ↗
Granted: Jun 30, 1992 Filed: Jan 28, 1991
Inventors
John J. Sallas
Jack Gamill Clemens
Assignee (at issue)
Halliburton Geophysical Services, 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 5,126,980
App. No.
07/646,967
Filed
1991-01-28
Granted
1992-06-30
Kind
A