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Bielefeld, Germany

Gerhard Riss

This inventor holds 7 USPTO granted patents. Top assignees: Durkoppwerke Gmbh, Durkopp Adler Aktiengesellschaft. Active years: 1978-1994.

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 24(Granted Patents)

Company Filing History:

Durkoppwerke Gmbh

Durkopp Adler Aktiengesellschaft

Years Active: 1978-1994

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5310175 - Sewing system having a device for the precise edge alignment of sewing (1994-05-10),

2. 5085157 - Sewing machine with an adjustable cutting device (1992-02-04),

3. 5019116 - Sewing machine apparatus for the succesive production of a number of (1991-05-28),

4. 4919061 - Button-hole sewing machine having a thread cutting and clamping device (1990-04-24),

5. 4714034 - Button feeding device for button attaching machines (1987-12-22),

6. 4148268 - Method of and apparatus for the production of button-holes on a double (1979-04-10),

7. 4131074 - Method of and apparatus for the sewing of a multiplicity of stitch (1978-12-26),

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