4. Boots, shoes, and leggings

Edward L. Polanek

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Coin-operated phonograph

Boots – shoes – and leggings
Patent

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Printed circuit board for a solid-state sound effect generating

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent

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Remote-control system for coin-operated phonographs

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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System handling video, control signals and power

Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Reexamination Certificate

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System handling video, control signals and power

Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Reexamination Certificate

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Profile ID: LFUS-PAI-P-819265

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