John J. Bosnak

WC Whelen Engineering Company: 3 patents #25 of 52Top 50%

📍 Old Saybrook, CT: #31 of 132 inventorsTop 25%

🗺 Connecticut: #10,145 of 34,797 inventorsTop 30%

Overall (All Time): #1,305,736 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4668938	Switching amplifier and electronic siren employing the same	—	1987-05-26
4554533	Method of and apparatus for the testing of warning systems	—	1985-11-19
4363028	Electronic siren	—	1982-12-07
4321507	Strobe power supply	—	1982-03-23