Filed: March 19, 1936GRADUATED BOTTLES, BEAKERS, FLASKS, RETORTS, ALL OF GLASS FOR LABORATORY USE; TEST GLASSES, MEASURING RECEPTACLES, AND WATER…Owned by: SCHOTT AGSerial Number: 71376159
Filed: March 19, 1936RAW GLASS FOR OPTICAL MANUFACTURE, GLASS TUBESOwned by: SCHOTT AGSerial Number: 71376160