John M. Calimafde

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Adjustable enlarging easel

Photocopying – Projection printing and copying cameras – Detailed holder for photosensitive paper
Patent

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Amplifier circuit for obtaining true and complementary output si

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
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Amusement device

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Apparatus and method for assembling communications cable contain

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Longitudinally progressive helical winding means
Patent

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Apparatus and method for sampling water for fish larvae and othe

Measuring and testing – Measuring vessel
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Profile ID: LFUS-PAI-P-11590

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