4. Compositions: ceramic
  5. Ceramic compositions
  6. Glass compositions, compositions containing glass other than...

Frederic Francis Ahlgren

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Fused quartz article having controlled devitrification

Stock material or miscellaneous articles – Composite – Of quartz or glass
Reexamination Certificate

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Method and apparatus for measuring and controlling selective...

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture
Reexamination Certificate

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Opaque silica composition

Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
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Quartz making an elongated fused quartz article using a...

Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Process of manufacturing optical fibers – waveguides – or...
Reexamination Certificate

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Semiconductor processing component

Active solid-state devices (e.g. – transistors – solid-state diode – With means to control surface effects
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1719397

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