Patents Issued
1873 - Automatic Telegraph instruments - 134,867
1873 - Electro-magnetic adjusters - 134,868
1913 - Art of Separating Copper from other metals - Edison - No. 1,050,629, and 1,050,630
1964 - Foil Electret Microphone - Gerhard M. Sessler - 3,118,022
http://www.google.com/patents/US3118022
2004 - 14 January Water soluble tooling materials for composite structures
www.google.com/patents/EP1379367A1?cl=en
Birthdays
1914 Thomas John Watson Jr. IBM
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