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For the Inventor, By the Inventor

DE

Firma Pfaff Industriemaschinen Gmbh


USPTO Granted Patents = 2

Forward Citations = 23

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5 inventors (with patents filed for the assignee):

goldMedal Walter Hager (1 out of 17 patents)

silverMedal Gunther Mall (1 out of 9 patents)

bronzeMedal Kurt Bolldorf (1 out of 8 patents)

4.  Gunter Tolle (1 out of 2 patents)

5.  Erich Willenbacher (1 out of 35 patents)


2 patents:

1. 4134346 - Buttonhole sewing machine (1979-01-16),
2. 3954071 - Sewing machine having top and bottom feed synchronizing means (1976-05-04),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#435 in

#10,556 in Germany

...
DE

Firma Pfaff Industriemaschinen Gmbh

Forward Citations = 23

5 inventors:

goldMedal Walter Hager (1 out of 17 patents)

silverMedal Gunther Mall (1 out of 9 patents)

bronzeMedal Kurt Bolldorf (1 out of 8 patents)

4.  Gunter Tolle (1 out of 2 patents)

5.  Erich Willenbacher (1 out of 35 patents)

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