Complex sentence: It was created by Dr. Teodoro Meinhard, a German-born resident of Venezuela, and was is mentioned as having been manufactured in Upata and Cuidad Bolivar (then named Angostura) Venezuela.
Split into simpler sentences: It was created by Dr. Teodoro Meinhard, a German-born resident of Venezuela. Documents alternately referred to this brand as having been manufactured in either Upata and Cuidad Bolivar (then named Angostura) Venezuela.