Eric Gruaz

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Lyon, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of making bullet for a firearm
- Patent number 4,483,051
- Issue date Nov 20, 1984
- Eric Gruaz
- F42 - AMMUNITION BLASTING
Information Patent Grant
Munition round for firearms
- Patent number 4,365,559
- Issue date Dec 28, 1982
- Eric Gruaz
- F42 - AMMUNITION BLASTING
Information Patent Grant
Container for explosive cartridges
- Patent number 4,199,057
- Issue date Apr 22, 1980
- Eric Gruaz
- F42 - AMMUNITION BLASTING
Information Patent Grant
Ammunition for a toy pistol
- Patent number 4,173,089
- Issue date Nov 6, 1979
- Eric Gruaz
- F42 - AMMUNITION BLASTING
Information Patent Grant
Process for manufacturing plastic cartridge cases
- Patent number 4,054,637
- Issue date Oct 18, 1977
- Eric Gruaz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL