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:
May. 08, 1990
Filed:
Jul. 06, 1988
Applicant:
Inventors:
Ivor Brodie, Palo Alto, CA (US);
Henry R Gurnick, Pleasanton, CA (US);
Christopher E Holland, Redwood City, CA (US);
Helmut A Moessner, Saratoga, CA (US);
Assignee:
Innovative Display Development Partners, Menlo Park, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
445 24 ; 445 40 ;
Abstract
A flat panel display of the field emission cathode type is described having polyimide spacers or pillars separating the emitting surface and display face of the same. A method of forming the spacers by integrated circuit techniques also is described.
Brodie, Ivor. (1990). Method for providing polyimide spacers in a field emission panel display (U.S. Patent No. 4923421). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4923421
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile