Michael A. Castro — 2 Patents at Superior Graphite

Michael A. Castro has been granted 2 US patents while listed as an inventor at Superior Graphite. The first was granted in 2001 and the most recent in February 2002. Michael A. Castro ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Michael A. Castro in Aurora, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6350722	High-temperature, water-based lubricant and process for making the same	Kenneth Skiles, Peter L. Zaleski	2002-02-26
6169059	High-temperature, water-based lubricant and process for making the same	Kenneth Skiles, Peter L. Zaleski	2001-01-02

Michael A. Castro — 2 Patents

Issued Patents All Time

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