John D. Ryerson

📍 Holland Patent, NY: #6 of 16 inventorsTop 40%

🗺 New York: #48,759 of 115,490 inventorsTop 45%

Overall (All Time): #2,368,875 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4243631	Solid state sensor	—	1981-01-06
4240799	Sensing the presence of ozone	—	1980-12-23