TREA

Torbjorn Jakobsson

Follow

Person

  • Saltsjo-Boo, SE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid operated drill apparatus
    • Patent number 5,318,140
    • Issue date Jun 7, 1994
    • Uniroc AB
    • Berndt Ekwall
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Down-the-hole drilling machine
    • Patent number 5,279,371
    • Issue date Jan 18, 1994
    • Uniroc AB
    • Berndt Ekwall
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS