In which unit did Einstein work from 192 to 199?

Einstein worked in the Patent Office in Bern, Switzerland from 192 to 199.

on March 21st, 191 (at the age of 22), she obtained Swiss nationality. In May-July of this year, I finished my thesis on the thermodynamic theory of potential difference.

On June 16th, 192 (at the age of 23), she was employed by the Patent Office in Bern, Switzerland.

In October p>199 (at the age of 3), I left the Berne Patent Office.