20/09/1985
Patent num. 187815
Trolley for pneumatic drill, to cut asphalt at the edge of pavements and walls
04/06/1998
Patent num. 00244048
Machinery to produce highly resistant, self draining bituminous mixes
25/01/1993
Patent num. 00229591
Enhanced standalone thermosprayer
28/12/2000
Patent num. 0000254955
Motorcar with warmed up tank to transport and dispense bituminous mixes