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Lionel J. Coulombe
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Matawan, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Needle support means
Patent number
4,242,975
Issue date
Jan 6, 1981
The Singer Company
Warren D. Knowles
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Compact upper thread tension device
Patent number
4,221,180
Issue date
Sep 9, 1980
The Singer Company
Lionel J. Coulombe
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Feed control system
Patent number
4,143,608
Issue date
Mar 13, 1979
The Singer Company
Lionel J. Coulombe
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Buttonhole cam unit with ball bearing clutch
Patent number
4,126,098
Issue date
Nov 21, 1978
The Singer Company
Lionel J. Coulombe
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Thread tension discs
Patent number
4,123,984
Issue date
Nov 7, 1978
The Singer Company
Lionel J. Coulombe
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Electronically controlled sewing machine with cam controlled feed
Patent number
4,121,526
Issue date
Oct 24, 1978
The Singer Company
Lionel J. Coulombe
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Threading apparatus for sewing machines
Patent number
3,970,019
Issue date
Jul 20, 1976
The Singer Company
Lionel J. Coulombe
D05 - SEWING EMBROIDERING TUFTING