John T. Petrick

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Largo, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Firearm cartridge with pre-pressurizing charge
- Patent number 5,421,264
- Issue date Jun 6, 1995
- Colt's Manufacturing Company Inc.
- John T. Petrick
- F42 - AMMUNITION BLASTING
Information Patent Grant
Firearm safety system
- Patent number 5,301,448
- Issue date Apr 12, 1994
- Colt's Manufacturing Company Inc.
- John T. Petrick
- F42 - AMMUNITION BLASTING
Information Patent Grant
Combined cartridge magazine and power supply for a firearm
- Patent number 5,272,828
- Issue date Dec 28, 1993
- Colt's Manufacturing Company Inc.
- John T. Petrick
- F42 - AMMUNITION BLASTING