4. Land vehicles
  5. Skates
  6. Wheeled skate

Robert G. Ullrich

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Fastener assembly including a self-locking ratchet nut

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Structure is coaxial – distinct member that restricts nut piece
Patent

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Remote control

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent

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Roller skate braking device

Land vehicles – Skates – Wheeled skate
Patent

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Safety needle

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent

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Vertically reciprocating perforated agitator

Agitating – Stirrer within stationary mixing chamber – Rectilinearly reciprocable stirrer
Reexamination Certificate

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Profile ID: LFUS-PAI-P-736746

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