John Bertoldi — 2 Patents at Denar

John Bertoldi has been granted 2 US patents while listed as an inventor at Denar. The first was granted in 1981 and the most recent in August 2017. John Bertoldi ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Bertoldi in La Mirada, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
9732868	High reliability pressure relief valve	Joseph Schimek, III, John Head	2017-08-15
4245987	Dental articulator	—	1981-01-20

John Bertoldi — 2 Patents

Issued Patents All Time

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