Frederick F. Fischbach

📍 Ann Arbor, MI: #2,859 of 6,071 inventorsTop 50%

🗺 Michigan: #35,034 of 86,293 inventorsTop 45%

Overall (All Time): #2,292,971 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D345093	Electromagnetic door lock	—	1994-03-15
5261713	Electromagnetic door lock	—	1993-11-16