Leonard Marshall

📍 Palm Harbor, FL: #146 of 650 inventorsTop 25%

🗺 Florida: #13,170 of 67,251 inventorsTop 20%

Overall (All Time): #1,236,934 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
7889882	Selectable diaphragm condenser microphone	—	2011-02-15
D594856	Microphone	—	2009-06-23
D479227	Microphone	—	2003-09-02
5162827	One piece transparency mount with spring transparency restraint	—	1992-11-10