Oswald M. Porter

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Livingston, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Sewing machine stitch length override and feed balance for digital...
- Patent number 4,167,912
- Issue date Sep 18, 1979
- The Singer Company
- Robert L. Sedlatschek
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Safety lockout system for sewing machines
- Patent number RE29972
- Issue date Apr 24, 1979
- The Singer Company
- John A. Herr
- 112 - Sewing
Information Patent Grant
Bight stop mechanism for sewing machines
- Patent number RE29952
- Issue date Apr 3, 1979
- The Singer Company
- Charles R. Odermann
- 112 - Sewing
Information Patent Grant
Bight stop mechanism for sewing machines
- Patent number 4,048,932
- Issue date Sep 20, 1977
- The Singer Company
- Charles R. Odermann
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Safety lockout system for sewing machines
- Patent number 3,985,087
- Issue date Oct 12, 1976
- The Singer Company
- John Addison Herr
- D05 - SEWING EMBROIDERING TUFTING