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:
Aug. 12, 1980
Filed:
Oct. 16, 1978
Applicant:
Inventors:
John R Zellner, Hartford, WI (US);
Eino M Lehto, Juneau, WI (US);
Michael V Polinsky, Iron Ridge, WI (US);
Assignee:
Bell & Howell Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
353 / ; 353 77 ; 353119 ; 353 85 ;
Abstract
A microfiche viewer with a light projection path whereby different images on an individual piece of microfilm can be placed in the light projection path for viewing. The fiche is rectangular in configuration and is inserted into the viewer with the shorter side parallel to the front of the viewer. A rotatable base is attached to the bottom of the viewer which is designed to limit the angular rotation of the microfiche viewer.