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:
Mar. 03, 2020
Filed:
Dec. 14, 2018
3m Innovative Properties Company, St. Paul, MN (US);
Dennis G. Berry, Maplewood, MN (US);
Paul A. Martinson, Maplewood, MN (US);
Chin-Yee Ng, Oakdale, MN (US);
Ryan Patrick Simmers, Fargo, ND (US);
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
An article comprising at least one microneedle is provided. The article can comprises a first side and a second side opposite the first side. The first side comprises a central cavity portion and a platform portion, with at least one microneedle extending therefrom, wherein the platform portion is not coplanar with the central cavity portion. The platform portion substantially surrounds the central cavity portion. The at least one microneedle comprises a body comprising an outer surface; a base segment having a base and a first shape; a tip segment having a tip and a second shape, wherein the second shape is distinct from the first shape; a transition plane that delineates the base segment and the tip segment; and a central axis. Methods of using the article are also provided.