エドモンド・ヒュー・ホジキンソン
US (A) 702948, HODGKINSON EDMUND HUGH, "BELT, ROPE, OR CHAIN GEARING", published 1901-11-07
GB (A) 190215639, HODGKINSON EDMUND HUGH, "Improvements in Belt Rope or Chain Gearing", published 1902-07-14
FR (A) 379443, HODGKINSON EDMUND HUGH, "Transmission par courroie, cable ou chaine", published 1906-07-11
GB (A) 190615716, HODGKINSON EDMUND HUGH, "Improvements in and relating to Belt, Rope, or Chain Gearing", published 1906-07-11
US (A) 882635, HODGKINSON EDMUND HUGH, "BELT, ROPE, OR CHAIN GEARING", published 1907-07-08
GB (A) 191308983, HODGKINSON EDMUND HUGH, "Improvements in and relating to Belt, Rope or Chain Gearing", published 1913-04-16