申请人 |
AIR PRODUCTS AND CHEMICALS, INC., ALLENTOWN, PA., US |
发明人 |
SMIGO, JOHN GEORGE, WHITEHALL, PA 18052, US;ROBESON, LLOYD MAHLON, MACUNGIE, PA 18062, US;DAVIDOWICH, GEORGE, ALLENTOWN, PA 18104, US;MILLER, GERALD DONALD, EMMAUS, PA 18049, US;CARROLL, WILLIAM EAMON, OREFIELD, PA 18069, US |