Gerard Volan — 2 Patents at Dba

Gerard Volan has been granted 2 US patents while listed as an inventor at Dba. The first was granted in 1980 and the most recent in March 1985. Gerard Volan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Gerard Volan in Auxerre, FR.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4503954	Drum brake with controlled torque and torque control valve for such a brake	Christian Riquart, Pierre Pressaco	1985-03-12
4231012	Drum brake wear indicator	Jean-Jacques Carre	1980-10-28

Gerard Volan — 2 Patents

Issued Patents All Time

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