John C. Czelen

📍 Washington, DC: #7 of 53 inventorsTop 15%

🗺 District of Columbia: #7 of 53 inventorsTop 15%

Overall (1982): #53,516 of 81,411Top 70%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4343437	Condiment grinder	—	1982-08-10