4. Weighing scales
  5. Self-positioning
  6. Electrical current generating or modifying

Roy A. Applequist

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Electromagnetic compensating balance

Weighing scales – Self-positioning – Electrical current generating or modifying
Patent

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Magnetic recording device for double sided media

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent

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Method and apparatus for storing and retrieving information

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
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Method and structure for maintaining a low contaminated enclosur

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
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Profile ID: LFUS-PAI-P-711888

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