ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,883, issued on May 20, was assigned to Eppendorf AG (Hamburg, Germany).

"Pipette for use with a pipette tip with an integrated plunger" was invented by Matthias Kunsch (Hamburg, Germany), Burkhardt Reichmuth (Hamburg, Germany) and Holger Link (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pipette comprises a housing extending from a lower end to an upper end and a neck extending from the lower end of the housing and configured to hold a pipette tip. A stroke rod comprising an upper end and a lower end is configured to displace a tip plunger in the pipette tip. A drive apparatus is configured to displace the stroke rod to: (1) asp...