Tom Heppner

Retired! Woo Hoo! Previously with Materials Science, Field Testing at Marvin Windows and Doors

Warroad, Minnesota, United States

About

Experience

  • Retired at Self-employed
    Mar 2024 - Present · 2 yrs 4 mos

  • Advance Research at Marvin Windows and Doors
    May 1975 - Mar 2024 · 48 yrs 11 mos

    Materials Science - Product design field site testing