Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven Carl Persak0
Mikhail Gotliboym0
Peter A. Basile0
Date of Patent
January 28, 2020
0Patent Application Number
153128450
Date Filed
June 1, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a drug delivery device comprising a drug container having at least one bellow. The at least one bellow has a first surface and an opposing second surface. The first surface is comprised of a first Belleville spring and the opposing second surface is comprised of a second Belleville spring, wherein the second Belleville spring has a higher spring rate than the first Belleville spring.
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