Forward Citations = 249

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4 inventors (with patents filed for the assignee):

Per O Risman (3 out of 5 patents)

Robert J Petcavich (1 out of 23 patents)

Charles R Buffler (1 out of 2 patents)

4. Gregory A Kaiser (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 5834744 - Tubular microwave applicator (1998-11-10),

2. 5828040 - Rectangular microwave heating applicator with hybrid modes (1998-10-27),

3. 5632921 - Cylindrical microwave heating applicator with only two modes (1997-05-27),

4. 5396052 - Ceramic utensil for microwave cooking (1995-03-07),

The Rubbright Group, Inc. is a leading management consulting firm specializing in helping businesses improve their operational efficiency and maximize their profitability. With a team of experienced consultants, we provide tailored solutions to address our clients' unique challenges and drive sustainable growth. Our services range from strategic planning and process optimization to leadership development and organizational transformation.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#362 in Minneapolis, MN

#1,649 in Minnesota

#60,597 in US

Minneapolis, MN, United States of America

The Rubbright Group, Inc.

Forward Citations = 249

4 inventors:

Per O Risman (3 out of 5 patents)

Robert J Petcavich (1 out of 23 patents)

Charles R Buffler (1 out of 2 patents)

4. Gregory A Kaiser (1 out of 1 patent)

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