William J. H. Andrewes

📍 Concord, MA: #321 of 720 inventorsTop 45%

🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%

Overall (All Time): #1,545,650 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
8533963	Sundial with elevated gnomon support avoiding shadow eclipse	—	2013-09-17
8065808	Sundial with dome and grid of light	—	2011-11-29
7114262	Sundial with standard time display	—	2006-10-03