David C. Frederick

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Gastonia, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Traversing core yarn guide for spinning frames
- Patent number 4,404,790
- Issue date Sep 20, 1983
- Hope Plastics Corporation
- David C. Frederick
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information Patent Grant
Noise and vibration dampening ring mount
- Patent number 4,357,791
- Issue date Nov 9, 1982
- Hope Plastics Corporation
- William K. Hope
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Combination spline coupling and spindle washer for roving frames
- Patent number 4,356,689
- Issue date Nov 2, 1982
- Hope Plastic Corporation
- David C. Frederick
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING