Robert J. Socha

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Elizabeth, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Presser foot lift for needle feed in a sewing machine
- Patent number 4,462,323
- Issue date Jul 31, 1984
- The Singer Company
- Robert J. Socha
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Needle shift warning arrangement in an electronically controlled se...
- Patent number 4,406,236
- Issue date Sep 27, 1983
- The Singer Company
- Robert J. Socha
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Stitch length range indicating arrangement in a multiple pattern se...
- Patent number 4,342,271
- Issue date Aug 3, 1982
- The Singer Company
- Robert J. Socha
- D05 - SEWING EMBROIDERING TUFTING