Inventor · disambiguated record
Pierre Defontaine
Also filed as: DEFONTAINE PIERRE
3 granted patents·79 citations·filing 1991–1991
73Inventor score
Technology areasE01C
Files withCOLAS SA3
Top patents by PatentIndex Score
3 records- 0177US5279500AApparatus for spreading a road surfacing materialCOLAS SA·Filed 1991·Granted Jan 18, 1994·50 cites·31 claims
- 0250US5324136AApparatus for spreading bonding emulsion or similar material for road asphaltCOLAS SA·Filed 1991·Granted Jun 28, 1994·21 cites·42 claims
- 0332US5178486ADevice for spreading a fluid substance, and machine permitting the simultaneous application of this substance and of the surfacing of a highwayCOLAS SA·Filed 1991·Granted Jan 12, 1993·8 cites·31 claims
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