| QUIKTIP LEEDS AND NORTHRUP COMPANY
72214447 18 Mar 1965 | on 21 Oct 2006 | PRESSURE CONNECTORS USEFUL IN FABRICATING THERMOCOUPLES,PRESSURE CONNE... Class 021 Class 021 Houseware and Glass Products PRESSURE CONNECTORS USEFUL IN FABRICATING THERMOCOUPLES | | | CLEERTREND LEEDS AND NORTHRUP COMPANY
72198750 29 Jul 1964 | on 05 Aug 2006 | PRINTING UNIT FOR MULTIPOINT RECORDERS FOR RECORDING THE MAGNITUDES OF... Class 026 Class 026 Lace, Ribbons & Embroidery and Fancy Goods CLEARTREND | | | AZAR Leeds and Northrup Company
72146293 06 Jun 1962 | on 05 Jun 2004 | Electrical Measuring Instruments of the Indicating and/or Recording Ty... Class 026 Class 026 Lace, Ribbons & Embroidery and Fancy Goods Electrical Measuring Instruments of the Indicating and/or Recording Type the Electrical Ranges of which can Be Varied at Will by the User for Measuring Any Physical Quantity or Transducer Output that can Be Measured in Terms of D.C. Voltage | | | MICROCARB LEEDS AND NORTHRUP COMPANY
71611098 09 Mar 1951 | on 06 Sep 1993 | ELECTRICAL SYSTEMS OR APPARATUS FOR DETERMINING AND/OR CONTROLLING THE... Class 026 Class 026 Lace, Ribbons & Embroidery and Fancy Goods ELECTRICAL SYSTEMS OR APPARATUS FOR DETERMINING AND/OR CONTROLLING THE CONSTITUENT POTENTIAL OF GASES AND PARTICULARLY TO ELECTRICAL APPARATUS FOR CONTROLLING THE ATMOSPHERE OF FURNACES SUCH AS USED IN THE CARBURIZING OR NITRIDING OF METAL BY VARYING THE SUPPLY OF ONE OR MORE CONSTITUENTS OF THAT ATMOSPHERE OR FOR MEASURING THE CARBURIZING OR NITRIDING POTENTIAL OF THAT ATMOSPHERE | | | SILTRAK LEEDS AND NORTHRUP COMPANY
72372348 02 Oct 1970 | on 16 Nov 1992 | SILICON DETERMINATOR INCLUDING A PROBE ASSEMBLY FOR DETERMINING THE SI... Class 026 Class 026 Lace, Ribbons & Embroidery and Fancy Goods SILICON DETERMINATOR INCLUDING A PROBE ASSEMBLY FOR DETERMINING THE SILICON CONTENT OF METALS | | | CONTROLALL LEEDS AND NORTHRUP COMPANY
72204385 20 Oct 1964 | on 01 May 1986 | ELECTRIC CONTROL SYSTEMS-NAMELY, MEASURING AND CONTROL APPARATUS FOR P... Class 026 Class 026 Lace, Ribbons & Embroidery and Fancy Goods ELECTRIC CONTROL SYSTEMS-NAMELY, MEASURING AND CONTROL APPARATUS FOR PHYSICAL, CHEMICAL, MECHANICAL, OR ELECTRICAL CONDITIONS SUCH AS TEMPERATURE, PRESSURE, PH, CONDUCTIVITY, OR ELECTROMOTIVE FORCE WITH TIMING DEVICES FOR PROVIDING CONTROL OF A CONDITION VARYING OUTPUT | | | MODERN PRECISION LEEDS AND NORTHRUP COMPANY
71465460 02 Dec 1943 | on 10 Jan 1986 | TRADE JOURNAL OR PUBLICATION PUBLISHED AT IRREGULAR INTERVALS,TRADE JO... Class 038 Class 038 Communications Services TRADE JOURNAL OR PUBLICATION PUBLISHED AT IRREGULAR INTERVALS | |