Joan Friedel

📍 Baltimore, MD: #998 of 4,923 inventorsTop 25%

🗺 Maryland: #8,004 of 35,612 inventorsTop 25%

Overall (All Time): #1,292,986 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5439407	Doll with an imaging heart	—	1995-08-08
5324201	Doll and method of operation	—	1994-06-28
5197885	Therapeutic doll and method of operation	—	1993-03-30
5094621	Therapeutic doll and method of operation	—	1992-03-10