J&S Tool Co., Inc. was established in 1941. In about 1959 they introduced the "Fluidmotion" wheel dresser for dressing complex forms onto grinding wheels. They also make (or used to make) live centers, dead centers, milling-machine arbors and adapters, machine vises, hold-down clamps, etc.

Information Sources

• 1945 patent to Harry S. Jakobsen of Harrison, NJ, and assigned to J & S Tool Co., East Orange, NJ, "a firm consisting of F. Henry Swenson and Harry S. Jakobsen".
• 1949 Modern Machine Shop (vol. 22, p. 324) "...every type of grinding machine is pictured and described in a leaflet issued by the J & S Tool Co., Inc., 475 Main St., East Orange, New Jersey." Elsewhere on the same page, "Surface grinder, product of the Jakobsen Tool Co., 224 Glenwood Ave., Bloomfield, N. J., is covered as to construction features, specifications, applications, and so on, in a four-page folder now available from this firm."
• We learned of this maker in an owwm.org forum discussion on wheel dressers.
• 1949 Conover-Mast Purchasing Directory lists "J. & S. Tool Co., 477 Main St., East Orange, N. J."
• 1953 Directory of Independent Tool and Die Manufacturers, issued by the U.S. Department of Commerce, lists "J & S Tool Co., Inc. / 477 Main Street / East Orange". They had between 50 and 99 employees, and provided medium dies, carbide dies, jigs and fixtures, cutting tools, machining services, tool engineering and design, and special gages.
• 1958 MacRae’s Blue Book lists this firm with address 644 W. Mt. Pleasant Ave., Livingston, N.J.
• October 1959 ad for J & S "No-Bend" milling machine arbors and adapters. The company name and address is "J & S Tool Co., Inc. / 871 Dorsa Avenue, Livingston, New Jersey".
• 1967 issue of American Machinist: "J&S Tool Co., Inc, Livingston, NJ, has appointed S A Chesnutt executive vice president."
• 1969 issue of The Tool & Manufacturing Engineer has an ad from "J&S Tool Company, Inc. / 70TE Okner Parkway, Livingston, N. J." The "TE" appended to the street number was presumably to let the company know who got their name from The Tool & Manufacturing Engineer.
• The 1974 suit Parkinson v. J & S Tool Company, one Ruth Parkinson had been married to Richard Parkinson, an employee at J&S Tool Co., between 1927 and 1939. They divorced and later reconciled. Their Catholic priest declined to re-marry them, saying that they were still married in the eyes of the church. Richard was killed in a workplace accident and Ruth was refused compensation as they were no longer legally married. Ruth appealed to the Supreme Court of New Jersey. In a split decision the Supreme Court found in her favor.
• 1975 issue of American Machinist has an ad from "J & S Tool Company, Inc., 70 Okner Parkway, Livingston, New Jersey".
• The company's website gives their current address as 56 Paterson Ave #4, Newton, NJ.