First mention of Ezelinga in the last will of Abbot Fulrad from Saint-Denis (near Paris, France), the chaplain of Pippin and Charlemagne. He bequeths the church sixth cell upon the river Neckar to his monastery Saint-Denis. He also brought the bones of Saint Vitalis[?] to Esslingen, which made it a target for pilgrimage and led to its growth.
... device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) by P.S.Chuang.
External links
www.gyrotwister.de ...