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United States Utility Patents
4,240,120 - 4,240,129

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NumberTitle
4,240,120 Cassette-to-cassette duplicator
4,240,121 Broadband magnetic tape transducer head
4,240,122 Protective device
4,240,123 Power breaker system
4,240,124 Surge arrester having coaxial shunt gap
4,240,125 Corona generating element
4,240,126 Electric capacitor constructed to prevent explosion
4,240,127 Metallized film capacitor and method of manufacture
4,240,128 Aluminum cathode foil for electrolytic capacitors including a copper content
4,240,129 Holding device for attaching a device such as a camera bracket



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