Jan H. Tews

📍 Brooklyn, NY: #3,650 of 6,894 inventorsTop 55%

🗺 New York: #67,335 of 115,490 inventorsTop 60%

Overall (All Time): #4,083,807 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4250844	Two-cycle engine and piston	—	1981-02-17