For the Inventor, By the Inventor

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Raleigh, NC, United States of America

U.S. Floor Systems, Inc.

USPTO Granted Patents = 3

Forward Citations = 74

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4 inventors (with patents filed for the assignee):

Robert C Williams (2 out of 2 patents)

Robert C Williams, Iii (1 out of 28 patents)

William R Kimball (1 out of 1 patent)

4. Stephen R Williams (1 out of 4 patents)

3 patents: Sort by Forward Citations

1. 4524477 - Cleaning solution dispenser attachment for rotary floor cleaning machine (1985-06-25),

2. 4307484 - Cleaning apparatus and method (1981-12-29),

3. 4069541 - Cleaning method and apparatus (1978-01-24),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#143 in Raleigh, NC

#1,552 in North Carolina

#71,950 in US

Raleigh, NC, United States of America

U.S. Floor Systems, Inc.

Forward Citations = 74

4 inventors:

Robert C Williams (2 out of 2 patents)

Robert C Williams, Iii (1 out of 28 patents)

William R Kimball (1 out of 1 patent)

4. Stephen R Williams (1 out of 4 patents)

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