John Rogala — 2 Patents at The Eastern

John Rogala has been granted 2 US patents while listed as an inventor at The Eastern. The first was granted in 1984 and the most recent in May 1987. John Rogala ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Rogala in Syracuse, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4662795	Method of supporting a mine roof using nut element with breakable portion	Carl A. Clark	1987-05-05
RE31776	Resin reinforced expansion anchor and method of installation	Carl A. Clark	1984-12-25

John Rogala — 2 Patents

Issued Patents All Time

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