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For the Inventor, By the Inventor

Saint Joseph, MI, United States of America

Kitchenaid, Inc.


USPTO Granted Patents = 3

Trademarks = 5

Forward Citations = 73

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5 inventors (with patents filed for the assignee):

goldMedal Richard L Stottmann (2 out of 20 patents)

silverMedal Edward F Ponikwia (2 out of 6 patents)

bronzeMedal William Weigl (1 out of 8 patents)

4.  Lawrence A Doggett (1 out of 1 patent)

5.  William E Dixon (1 out of 1 patent)


3 patents:

1. 4674690 - Feed tube protector retaining apparatus (1987-06-23),
2. 4614306 - Pivoting protector for food processor feed tube (1986-09-30),
3. 4601429 - Concentric drive for food processing tool (1986-07-22),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#8 in Saint Joseph, MI

#2,489 in Michigan

#73,766 in US

Saint Joseph, MI (US)
Saint Joseph, MI, United States of America

Kitchenaid, Inc.

Forward Citations = 73

5 inventors:

goldMedal Richard L Stottmann (2 out of 20 patents)

silverMedal Edward F Ponikwia (2 out of 6 patents)

bronzeMedal William Weigl (1 out of 8 patents)

4.  Lawrence A Doggett (1 out of 1 patent)

5.  William E Dixon (1 out of 1 patent)

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