4. Television
  5. Special applications

Robert J. Richter

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Combination head-protective helmet & communications system

Telecommunications – Transmitter and receiver at separate stations – Having diverse art device
Patent

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Combination head-protective helmet and thermal imaging apparatus

Television – Special applications
Patent

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Combination head-protective helmet and thermal imaging apparatus

Television – Special applications – Combined electronic sensing and photographic film cameras
Patent

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Combination head-protective helmet and thermal imaging...

Television – Special applications – Combined electronic sensing and photographic film cameras
Reexamination Certificate

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Methods for using a ring-vortex

Cleaning and liquid contact with solids – Processes – With treating fluid motion
Reexamination Certificate

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Profile ID: LFUS-PAI-P-795721

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