Mary A. Greene
Certificate of Merit
1892
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Engineering
H. A. Greaves
Certificate of Merit
1921
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Gray National Telegraph Company
Cresson
1905
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Arthur C. Hardy
Longstreth
1939
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Industrial Brownhoist Corp.
Wetherill
1933
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Edwin H. Land
Cresson
1938
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Edwin A. Link
Potts
1945
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Henry R. Linden
Clark
1972
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Karl Paul Gottfried Linde
Cresson
1914
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Paul M. Lincoln
Scott - on behalf of the City of Philadelphia
1903
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