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For the Inventor, By the Inventor

Bellevue, WA, United States of America

Appa System, Inc.


USPTO Granted Patents = 1

Forward Citations = 11

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1 inventor (with patents filed for the assignee):

goldMedal Ekhard Preikschat (1 out of 10 patents)


1 patent:

1. 5684247 - Rotating consistency transmitter impeller and method (1997-11-04),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#324 in Bellevue, WA

#3,385 in Washington

#136,675 in US

Bellevue, WA (US)
Bellevue, WA, United States of America

Appa System, Inc.

Forward Citations = 11

1 inventor:

goldMedal Ekhard Preikschat (1 out of 10 patents)

Please report any incorrect information to [email protected]
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