Peter L. Langsjoen

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St. Louis Park, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Spring disc for securing a combustible cartridge case to a case base
- Patent number 6,505,560
- Issue date Jan 14, 2003
- Alliant Techsystems Inc.
- Dipak S. Kamdar
- F42 - AMMUNITION BLASTING
Information Patent Grant
Propellant grain geometry for controlling ullage and increasing fla...
- Patent number 5,821,449
- Issue date Oct 13, 1998
- Alliant Techsystems Inc.
- Peter L. Langsjoen
- C06 - EXPLOSIVES MATCHES