LINDBERG ENGINEERING COMPANY Trademarks
CUPELETS
Filed: August 3, 1950
REFRACTORY CRUCIBLES FOR ANALYSIS OF METALS
Owned by: LINDBERG ENGINEERING COMPANY
Serial Number: 71601680
PYROPLAT
Filed: January 24, 1961
ELECTRIC HOT PLATES FOR USE IN LABORATORIES
Owned by: LINDBERG ENGINEERING COMPANY
Serial Number: 72112388
ROBOTROL
Filed: October 30, 1961
PUNCH CARD CONTROL APPARATUS FOR FURNACES
Owned by: LINDBERG ENGINEERING COMPANY
Serial Number: 72130922
PYRODISC
Filed: June 4, 1962
ELECTRIC CONTROLLABLE HOT PLATE
Owned by: LINDBERG ENGINEERING COMPANY
Serial Number: 72146078
