Inventor: Noodelijk, Robert
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beekenkamp, Annie Cornelia
Inventor: Noodelijk, Robert
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: Cox, Denis Eric, Glazebrook, Janice Evelyn
Inventor: Barnell L. Cobia
Inventor: Barnell L. Cobis
Inventor: Lloyd S. Magnuaon
Inventor: Barnell L. Cobia