John Landis Mason Biography

John Landis Mason (1832 in Vineland, New Jersey – February 26, 1902), was an American tinsmith and the patentee of the metal screw-on lid for antique fruit jars that have come to be known as Mason jars. Many such jars were printed with the line "Mason's Patent Nov 30th 1858". He also invented the first screw top salt shaker in 1858.