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Herman Quast

GT Guardian Technologies: 2 patents #7 of 22Top 35%
Overall (All Time): #2,321,733 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4912458 Sobriety interlock with service reminder Felix J.E. Comeau 1990-03-27
4901058 Sobriety interlock with bypass detection Felix J.E. Comeau, Jeffrey C. Jewitt 1990-02-13