Hugo Sigrist

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Hinwil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a fragmentation jacket
- Patent number 4,977,657
- Issue date Dec 18, 1990
- Werzeugmaschinenfabrik Oerlikon-Buhrle AG
- Walter Engel
- F42 - AMMUNITION BLASTING
Information Patent Grant
Base fuze of a spinning projectile possessing an inertia body
- Patent number 4,723,490
- Issue date Feb 9, 1988
- Werkzeugmaschinenfabrik Oerlikon Buhrle AG
- Hugo Sigrist
- F42 - AMMUNITION BLASTING
Information Patent Grant
Illuminating rocket possessing a cylindrical container
- Patent number 4,389,938
- Issue date Jun 28, 1983
- Werkzeugmaschinenfabrik Oerlikon Buhrle AG
- Hugo Sigrist
- F41 - WEAPONS
Information Patent Grant
Projectile with a payload
- Patent number 4,226,185
- Issue date Oct 7, 1980
- Werkzeugmaschinenfabrik Oerlikon Buhrle AG
- Bruno Tobler
- F42 - AMMUNITION BLASTING