Inventor: Zampini, James W.
Inventor: Zampini, James W.
Inventor: Zampini, James W.
Inventor: Noodelijk, Robert
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beekenkamp, Annie Cornelia
Inventor: Moore, Peter R.
Inventor: Noodelijk, Robert
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: Unger, Michael H.
Inventor: Unger, Michael H.
Inventor: Kolster, Peter R.
Inventor: Moolenaar, Alfred Nicol