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. 06, 1978
Filed:
Oct. 08, 1976
Applicant:
Inventors:
Lee Roy Brown, Houston, TX (US);
Thomas M Davison, Houston, TX (US);
Assignee:
Sie, Inc., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
354-3 ; 346108 ; 355 / ; 355-5 ;
Abstract
A well-logging camera for producing API format with traces utilizing a unique modulated laser light path to expose an in camera processable, electrophotographic film. After exposure, the film passes through an easily removeable, developing means having means stripping the film of excess developer. The film is driven through the camera by edge drive mechanism in which rotative force from the drive rollers is effectively transferred to skewed pressure rollers for effective drive.