For the Inventor, By the Inventor

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St. Joseph, MI, United States of America

Kitchenaid, Inc.

USPTO Granted Patents = 3

Trademarks = 5

Forward Citations = 71

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5 inventors (with patents filed for the assignee):

Richard L Stottmann (2 out of 20 patents)

Edward F Ponikwia (2 out of 6 patents)

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: Sort by Forward Citations

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 - Jan 13 2026

3 Patents

#8 in St. Joseph, MI

#2,449 in Michigan

#72,105 in US

St. Joseph, MI, United States of America

Kitchenaid, Inc.

Forward Citations = 71

5 inventors:

Richard L Stottmann (2 out of 20 patents)

Edward F Ponikwia (2 out of 6 patents)

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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