TC

Trevor Constance-Hughes

📍 Abergavenny, GB: #6 of 19 inventorsTop 35%
Overall (All Time): #1,668,838 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4960120 Breathing apparatus — 1990-10-02
4696295 Breathing apparatus — 1987-09-29
4534344 Breathing apparatus and facemasks therefor — 1985-08-13