John M. Rattenbury

📍 Cohasset, MA: #43 of 102 inventorsTop 45%

🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%

Overall (All Time): #2,149,795 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D578619	Siphonic roof drain	—	2008-10-14
D576257	Siphonic roof drain	—	2008-09-02