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Patents for Alec T. Douglas | |||||
Number | Date | Patentee | Title | Type | |
3,728,626 | Apr. 17, 1973 | H.C. Thomas, A.T. Douglas | Electronic Measuring System | electrical measuring apparatus | |
4,393,455 | Jul. 12, 1983 | J.S. Havers, A.T. Douglas | Modular Electronic Measuring and Printing Unit | electrical measuring apparatus | |
4,471,442 | Sep. 11, 1984 | J.S. Havers, A.T. Douglas | Modular Electronic Measuring and Printing Unit | electrical measuring apparatus |