Hopper; David G.

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Pittsburgh, PA, US

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Adjustable frame for scrolling and stretching needlepoint fabrics
- Patent number 5,255,455
- Issue date Oct 26, 1993
- Hopper; David G.
- David G. Hopper
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

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