The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 1986
Filed:
Sep. 20, 1982
Applicant:
Inventor:
Harold J Engebretson, Yorba Linda, CA (US);
Assignee:
Applied Technologies Associates, San Marino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ; H01S / ;
U.S. Cl.
CPC ...
33304 ; 356350 ;
Abstract
A borehole mapping apparatus which employs a ring laser gyroscope. The path of the laser is defined by looping paths of laser beam travel having long and short stretches of travel. The ratio of the stretches being substantially greater than two.