Frank Stelzer

Person

  • Raunheim, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Two-stroke internal combustion engine

    • Patent number 4,385,597
    • Issue date May 31, 1983
    • Frank Stelzer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS