74504293
Mar 23, 1994
Mar 18, 1997
apparatus used for analyzing used oil and other fluids to evaluate the mechanical condition of engines and equipment, namely, engines for railroad locomotives, trucks, buses, automobiles, aircraft, boats, and other vehicles, and engines for off-road machinery and equipment such as that used in industrial plants and in the mining and construction industries and the serviceability of oil and similar lubricants, which apparatus is marketed to oil refineries, railroad companies, marine terminals, the military, truck and bus transportation companies, truck, bus, and automobile dealerships, leasing companies, and service centers, airports and aircraft service centers, industrial plants, mining companies, construction contractors, and the like
Electrical and Scientific Apparatus