JH

John B. Higginson

Overall (All Time): #2,351,631 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D277425 Safety helmet 1985-02-05
D276665 Ear muff attachment for safety hat 1984-12-11