For the Inventor, By the Inventor

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Pontiac, MI, United States of America

Freiborne Industries, Inc.

USPTO Granted Patents = 3

Forward Citations = 6

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4 inventors (with patents filed for the assignee):

Robert Ross Roelofs (2 out of 7 patents)

Colman A Gill (1 out of 2 patents)

Catherine M Berbiglia (1 out of 2 patents)

4. Jennifer Kim (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12188130 - Acid zinc sulfate metal pretreatment (2025-01-07),

2. 10479957 - Lubricant for metal cold forming processes and methods of use of the same (2019-11-19),

3. 5277832 - Recovery of reactive soap lubricants (1994-01-11),

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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#9 in Pontiac, MI

#2,493 in Michigan

#73,815 in US

Pontiac, MI, United States of America

Freiborne Industries, Inc.

Forward Citations = 6

4 inventors:

Robert Ross Roelofs (2 out of 7 patents)

Colman A Gill (1 out of 2 patents)

Catherine M Berbiglia (1 out of 2 patents)

4. Jennifer Kim (1 out of 1 patent)

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