For the Inventor, By the Inventor

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Ontario, CA, United States of America

Boral Concrete Products, Inc.

USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 66

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6 inventors (with patents filed for the assignee):

Alfonso V Alvarez (1 out of 5 patents)

Joseph Edward Smith (1 out of 5 patents)

Harvey R Dunton (1 out of 6 patents)

4. Francis C Petersen (1 out of 1 patent)

5. Luciano Lopez (1 out of 1 patent)

6. Walter A Schreifels, Jr (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5603758 - Composition useful for lightweight roof tiles and method of producing (1997-02-18),

2. 5395442 - Lightweight concrete roof tiles (1995-03-07),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#58 in Ontario, CA

#20,531 in California

#92,555 in US

Ontario, CA, United States of America

Boral Concrete Products, Inc.

Forward Citations = 66

6 inventors:

Alfonso V Alvarez (1 out of 5 patents)

Joseph Edward Smith (1 out of 5 patents)

Harvey R Dunton (1 out of 6 patents)

4. Francis C Petersen (1 out of 1 patent)

5. Luciano Lopez (1 out of 1 patent)

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