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For the Inventor, By the Inventor

San Leandro, CA, United States of America

Ashlock Company, Division of Vistan Corporation


USPTO Granted Patents = 2

Forward Citations = 36

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3 inventors (with patents filed for the assignee):

goldMedal Klaus Silbermann (2 out of 12 patents)

silverMedal Fredrick J Cimperman (1 out of 1 patent)

bronzeMedal Frederick J Cimperman (1 out of 6 patents)


2 patents:

1. 5167178 - Method and apparatus for producing helical slices (1992-12-01),
2. 5167177 - Apparatus for producing slices with biased spring-loaded feed mechanism (1992-12-01),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#51 in San Leandro, CA

#20,546 in California

#92,651 in US

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San Leandro, CA, United States of America

Ashlock Company, Division of Vistan Corporation

Forward Citations = 36

3 inventors:

goldMedal Klaus Silbermann (2 out of 12 patents)

silverMedal Fredrick J Cimperman (1 out of 1 patent)

bronzeMedal Frederick J Cimperman (1 out of 6 patents)

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