| 1921 | Modular Filters | Company Product |
| 1922 | Modular Furniture | Company Product |
| 1923 | Modular Measurements | Company Product |
| 1924 | Modular Microregulators | Company Product |
| 1925 | Modular Plastic Pushbuttons | Company Product |
| 1926 | Modular Scaffolding, Mobile Scaffolding, Lightweight Aluminium Scaffolding, Rental And Sale Scaffolding | Company Product |
| 1927 | Modular Switches | Company Product |
| 1928 | Modular System Furnitures | Company Product |
| 1929 | Modular System Scaffoldings | Company Product |
| 1930 | Modular Time Switch | Company Product |
| 1931 | Modular Valves | Company Product |
| 1932 | Modular Walls | Company Product |
| 1933 | Modulating Boiler Water Level | Company Product |
| 1934 | Modulation Analysers | Company Product |
| 1935 | Modulation Meters | Company Product |
| 1936 | Modulators | Company Product |
| 1937 | Module | Company Product |
| 1938 | Module Datacont | Company Product |
| 1939 | Module Repair Services | Company Product |
| 1940 | Module Repairs | Company Product |
| 1941 | Moe Bags | Company Product |
| 1942 | Moh Registered Contact Lense Practitioners | Company Product |
| 1943 | Mohair | Company Product |
| 1944 | Mohair Refills | Company Product |
| 1945 | Moil Chisel | Company Product |
| 1946 | Moil Points | Company Product |
| 1947 | Moisture (humidity Content) Meter | Company Product |
| 1948 | Moisture Air Remover Machines | Company Product |
| 1949 | Moisture Analysers | Company Product |
| 1950 | Moisture Barrier Bags | Company Product |