William W. Ray

📍 Peterborough, NH: #37 of 77 inventorsTop 50%

🗺 New Hampshire: #5,349 of 12,181 inventorsTop 45%

Overall (All Time): #2,295,011 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5365704	Activity floor changing system for multi-activity complex	—	1994-11-22
5319895	Activity floor changing system for multi-activity complex	—	1994-06-14