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:
Nov. 18, 1980
Filed:
Jan. 22, 1979
Applicant:
Inventors:
John M Alden, Needham, MA (US);
George C Williams, So. Easton, MA (US);
Assignee:
Alden Research Foundation, Brockton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ; G01D / ; G01D / ;
U.S. Cl.
CPC ...
346165 ; 346136 ; 346145 ;
Abstract
A graphic recorder including a viewable well for holding a recording web in a moist condition. The recorder includes a demountable, transparent well cover and a transparent top. Walls are arranged on the sides of the top and they carry a linear electrode and a roller and simultaneously urge the well cover towards the well to seal the compartment and prevent the escape of moisture.