Harold H. Oshima

📍 Somerville, MA: #1,823 of 2,735 inventorsTop 70%

🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%

Overall (All Time): #3,826,920 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5222124	PBX system communications device	Mario CASTANEDA	1993-06-22