PN

Pier L. Nava

NS Nava & C. S.P.A.: 3 patents #1 of 3Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Bergamo, IT: #16 of 496 inventorsTop 4%
Overall (All Time): #280,925 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5170510 Integral motorcyclist helmet provided with means for preventing fogging of the visor thereof 1992-12-15
4796309 Protective helmet retained on the rear of wearer's head 1989-01-10
4731885 Device for dividing the air flow entering in a helmet into a central upward flow and two lateral flows 1988-03-22
4704746 Integral helmet 1987-11-10
4703946 Ski attachment device 1987-11-03
4615052 Helmet with tilting visor especially suited for sports use 1986-10-07
4598430 Integral helmet, in particular for sports use 1986-07-08
4581775 Tilting vizor for helmets particularly for sports use 1986-04-15
4473208 Apparatus for making helmets 1984-09-25
4471174 Support for helmets in general provided with microtelephone 1984-09-11
4464799 Device to secure a throatband on helmets and similar headgear 1984-08-14
4449275 Device to secure belts and similar parts to resin structures, helmets in particular 1984-05-22
4397047 Device for the controlled lifting of helmet visors and the like 1983-08-09
4385811 Rearview device incorporable in helmets 1983-05-31
4338070 Apparatus for molding reinforced resin products 1982-07-06
4300242 Molded reinforced article and method Carlo Anthony Testa, Davide Frigerio 1981-11-17
4297747 Device to actuate helmet visors, particularly for motorcyclists 1981-11-03