Inventor: McGredy, Samuel D.
Inventor: Fischer, Arnold W.
Inventor: Williams, Ernest D.
Inventor: Zaiger, Chris Floyd
Inventor: Holtkamp, Reinhold
Inventor: Holtkamp, Reinhold
Inventor: Armstrong, David L.
Inventor: Jessel, Jr., Walter H., Duffett, William E.
Inventor: McGredy, IV, Samuel
Inventor: Holtkamp, Reinhold
Inventor: Merrill, deceased, Grant, Merrill, executrix, by Lucile B.
Inventor: Schwartz, deceased, Ernest
Inventor: Schwartz, deceased, Ernest
Inventor: Schwartz, deceased, Ernest
Inventor: Schwartz, deceased, Ernest
Inventor: Shoesmith, Leonard H.
Inventor: Shoesmith, Leonard H.
Inventor: Middelburg, Nicolaas
Inventor: Middelburg, Nicolaas
Inventor: Jessel, Jr., Walter H., Duffett, William E.
Inventor: Moling, LeRoy I.