| 1951 | Moneylender | Company Product |
| 1952 | Monitiring System | Company Product |
| 1953 | Monitor Arms | Company Product |
| 1954 | Monitor Repair Service | Company Product |
| 1955 | Monitoring & Alarm System Engines | Company Product |
| 1956 | Monitoring & Measurement | Company Product |
| 1957 | Monitoring And Control Devices | Company Product |
| 1958 | Monitoring Platform | Company Product |
| 1959 | Monitoring Relays | Company Product |
| 1960 | Monitoring System | Company Product |
| 1961 | Monitors | Company Product |
| 1962 | Mono & | Company Product |
| 1963 | Mono Black Machines | Company Product |
| 1964 | Mono Block Tooth | Company Product |
| 1965 | Mono Ethylene Glycol | Company Product |
| 1966 | Mono Remanufactored Toner | Company Product |
| 1967 | Monobasic Sodium Phosphate | Company Product |
| 1968 | Monoblock Directional Control Valves | Company Product |
| 1969 | Monoblock Hydraulic Breaker | Company Product |
| 1970 | Monochlorobenzene | Company Product |
| 1971 | Monofilament Line | Company Product |
| 1972 | Monofilament Nets | Company Product |
| 1973 | Monolever Switch | Company Product |
| 1974 | Monolithic Push Buttons | Company Product |
| 1975 | Monorail Cranes | Company Product |
| 1976 | Monorail Hoists | Company Product |
| 1977 | Monorails | Company Product |
| 1978 | Monosodium Glutamate | Company Product |
| 1979 | Monroe Shock Absorbers | Company Product |
| 1980 | Monuments | Company Product |