Francis A. Perka

📍 Alexandria, VA: #8 of 33 inventorsTop 25%

🗺 Virginia: #121 of 685 inventorsTop 20%

Overall (1982): #17,955 of 81,411Top 25%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4316454	Therapeutic positioning device	—	1982-02-23