In the following scientists, who was the one to introduce first patent on ECM?(a) Balamuth(b) Steve O Flawer(c) Gusseff(d) McGeoughThe question was posed to me during an interview.Question is taken from Electro Chemical Machining-Introduction and Principle of electrolysis in portion Electrochemical Processes of Advanced Machining

In the following scientists, who was the one to introduce first patent

1.	In the following scientists, who was the one to introduce first patent on ECM?(a) Balamuth(b) Steve O Flawer(c) Gusseff(d) McGeoughThe question was posed to me during an interview.Question is taken from Electro Chemical Machining-Introduction and Principle of electrolysis in portion Electrochemical Processes of Advanced Machining
Answer» CORRECT option is (C) GUSSEFF For explanation I would say: Gusseff was the one, who introduced the first patent on ECM in 1929.

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