Stafford Malcolm Ellis

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Maidstone, EN

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Patents Grantslast 30 patents

Information Patent Grant
Optical sensors
- Patent number 4,092,072
- Issue date May 30, 1978
- Elliott Brothers (London) Limited
- Stafford Malcolm Ellis
- G01 - MEASURING TESTING
Information Patent Grant
Headgear with spherical semi-reflecting surface
- Patent number 4,081,209
- Issue date Mar 28, 1978
- Elliott Brothers (London) Limited
- Fritz Peter Heller
- G02 - OPTICS
Information Patent Grant
Display systems
- Patent number 4,042,957
- Issue date Aug 16, 1977
- Elliott Brothers (London) Limited
- Stafford Malcolm Ellis
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Map displays
- Patent number 3,945,720
- Issue date Mar 23, 1976
- Elliott Brothers (London) Limited
- Stafford Malcolm Ellis
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS