4. Metal treatment
  5. Compositions
  6. Heat treating

David R. Fairbairn

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Acoustic resonant cavity

Acoustics – Sound-modifying means
Patent

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Automatic correct exposure indicator

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply
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Automatic replenisher control

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Automatic sorting, conveying and packing mechanism for photograp

Package making – With means responsive to a sensed condition – Separate delivery of incomplete or defective contents or...
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Axial matrix Dewar

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent

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Profile ID: LFUS-PAI-P-157539

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