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Height measuring system
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Patent number 4,607,525
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Issue date Aug 26, 1986
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General Signal Corporation
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Michael D. Turner
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G01 - MEASURING TESTING
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3654802
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Patent number 3,654,802
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Issue date Apr 11, 1972
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G01 - MEASURING TESTING
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3495442
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Patent number 3,495,442
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Issue date Feb 17, 1970
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G01 - MEASURING TESTING
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2991558
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Patent number 2,991,558
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Issue date Jul 11, 1961
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G01 - MEASURING TESTING
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2976718
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Patent number 2,976,718
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Issue date Mar 28, 1961
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G01 - MEASURING TESTING
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2960774
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Patent number 2,960,774
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Issue date Nov 22, 1960
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G01 - MEASURING TESTING
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2953918
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Patent number 2,953,918
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Issue date Sep 27, 1960
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G01 - MEASURING TESTING
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2952918
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Patent number 2,952,918
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Issue date Sep 20, 1960
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G01 - MEASURING TESTING
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2922971
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Patent number 2,922,971
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Issue date Jan 26, 1960
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G01 - MEASURING TESTING
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2852849
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Patent number 2,852,849
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Issue date Sep 23, 1958
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G01 - MEASURING TESTING
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2560194
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Patent number 2,560,194
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Issue date Jul 10, 1951
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G01 - MEASURING TESTING
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2504212
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Patent number 2,504,212
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Issue date Apr 18, 1950
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G01 - MEASURING TESTING
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2452753
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Patent number 2,452,753
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Issue date Nov 2, 1948
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G01 - MEASURING TESTING
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2397494
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Patent number 2,397,494
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Issue date Apr 2, 1946
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G01 - MEASURING TESTING
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2375600
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Patent number 2,375,600
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Issue date May 8, 1945
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G01 - MEASURING TESTING
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2357569
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Patent number 2,357,569
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Issue date Sep 5, 1944
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G01 - MEASURING TESTING
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2032856
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Patent number 2,032,856
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Issue date Mar 3, 1936
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G01 - MEASURING TESTING
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1524047
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Patent number 1,524,047
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Issue date Jan 27, 1925
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G01 - MEASURING TESTING
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1347207
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Patent number 1,347,207
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Issue date Jul 20, 1920
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G01 - MEASURING TESTING
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1316844
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Patent number 1,316,844
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Issue date Sep 23, 1919
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G01 - MEASURING TESTING
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1266313
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Patent number 1,266,313
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Issue date May 14, 1918
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G01 - MEASURING TESTING
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1258426
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Patent number 1,258,426
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Issue date Mar 5, 1918
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G01 - MEASURING TESTING
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1133400
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Patent number 1,133,400
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Issue date Mar 30, 1915
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G01 - MEASURING TESTING
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1125236
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Patent number 1,125,236
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Issue date Jan 19, 1915
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G01 - MEASURING TESTING