4. Chemistry: electrical current producing apparatus, product, and
  5. Current producing cell, elements, subcombinations and...
  6. Cell enclosure structure, e.g., housing, casing, container,...

Akira Ota

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Converging light beam focus detector using two equally and oppos

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent

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Discharge light-emitting device and contact image sensor...

Electric lamp and discharge devices – With gas or vapor – Having electrode exterior to envelope
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Dry cell

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent

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Flowability additive

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...
Patent

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Geared motor

Machine element or mechanism – Gearing – Directly cooperating gears
Reexamination Certificate

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Profile ID: LFUS-PAI-P-440222

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