4. Stock material or miscellaneous articles
  5. Web or sheet containing structurally defined element or...
  6. Physical dimension specified

Sumio Hagiwara

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Molding compositions and diaphragms, arm pipes and head shells m

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
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Speaker system and method of controlling directivity thereof

Electrical audio signal processing systems and devices – Having non-electrical feature – Loudspeakers driven in given phase relationship
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Tone-arm elements

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent

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Vibratory elements for audio equipment

Acoustics – Diaphragm – Critically defined material or coating
Patent

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Vibratory elements for audio equipment

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
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Profile ID: LFUS-PAI-P-1402194

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