Norbert J. Denhart

📍 Cincinnati, OH: #3,621 of 8,043 inventorsTop 50%

🗺 Ohio: #30,338 of 73,341 inventorsTop 45%

Overall (All Time): #2,367,507 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4344114	Tamper-proof security device for surface mounted electrical outlets and the like	—	1982-08-10
4290548	High security tamper-proof mailbox	—	1981-09-22