Donald Jay Coughenour

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Morristown, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Buttonhole stitch method
- Patent number 4,215,640
- Issue date Aug 5, 1980
- The Singer Company
- Donald J. Coughenour
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Electronically controlled household sewing machine having patch sew...
- Patent number 4,184,441
- Issue date Jan 22, 1980
- The Singer Company
- Jack Brown
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine bobbin thread run-out alarm using reflected light
- Patent number 4,163,158
- Issue date Jul 31, 1979
- The Singer Company
- Donald J. Coughenour
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine with programmable memory
- Patent number 4,092,938
- Issue date Jun 6, 1978
- The Singer Company
- Donald Jay Coughenour
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine with programmable memory
- Patent number 4,085,691
- Issue date Apr 25, 1978
- The Singer Company
- Donald Jay Coughenour
- D05 - SEWING EMBROIDERING TUFTING