4. Typewriting machines
  5. Miscellaneous

Frederick J. Oleson

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Apparatus for backing a magnetic medium in contact with a magnet

Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent

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Cooling system for a thermal printing head

Typewriting machines – Miscellaneous
Patent

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Ultrasonic splicing of photographic film strips

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1004465

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