4. Excavating

Friedrich R. Hertrich

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Armature for DC motor

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Brushless DC motor

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Differential linear velocity transducer

Electrical generator or motor structure – Dynamoelectric – Reciprocating
Patent

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Disc cartridge sector formatting arrangement and record addressi

Communications: electrical – Digital comparator systems
Patent

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Means for pulling tape from a reel

Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent

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Profile ID: LFUS-PAI-P-129863

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