Jean-Jacques Lafforgue

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Tournon, FR

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Patents Grantslast 30 patents

Information Patent Grant
Drill tool holder
- Patent number 5,016,892
- Issue date May 21, 1991
- Societe de Prospection et d'Inventions Techniques
- Jean-Jacques Lafforgue
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Drill bit having a shank with grooves
- Patent number 4,943,192
- Issue date Jul 24, 1990
- Societe de Prospection et d'Inventions Techniques (S.P.I.T.)
- Jean-Jacques Lafforgue
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS