IDECO
								WELL-DRILLING, SERVICING AND PRODUCTION EQUIPMENT AND PARTS THEREOF, COMPRISING DERRICK RIGS, CROWN BLOCKS, TRAVELING AND SPEED BLOCKS, CORING REELS, DRAW WORKS, [ DRILL COLLARS,]  KELLY DRIVES, POWER RIGS, ROTARY TABLES, TOOL SWIVELS, DRILLING MACHINES, [ SPUDDERS,]  HOISTS, WINCHES, AND PULLEYS
                                Expired  ·  October 29, 1947  ·  71539419  ·