4. Supports
  5. Bag holders
  6. Mouth holding frames

Wilfred Frey

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Bag holder

Supports – Bag holders – Mouth holding frames
Patent

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Bidirectional communication line filter and surge protector

Wave transmission lines and networks – Transmission line inductive or radiation interference...
Patent

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DC and AC uninterruptible power supply

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1555491

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