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:
Feb. 04, 1997
Filed:
Nov. 01, 1994
Charles L Butland, Playa del Rey, CA (US);
Other;
Abstract
The present invention is addressed to providing a simple, yet reliable method for labeling an object for its verification. The present invention includes applying a mark to said object with a visible ink which contains a first component which is visible to the naked eye and a second component which is invisible to the naked eye and comprises one or more of ultraviolet radiation (UV) dye which is visible only in the presence of selected ultraviolet radiation, an infrared (IR) dye which is visible only in the presence of selected infrared radiation, an ink which displays a selected measurable electrical resistivity, or a biologic marker. The applied mark has said first component which is visible to the naked eye and said second component which is invisible to the naked eye.