Robert Kingsbury

AC American Colloid: 1 patents #28 of 49Top 60%

📍 Laconia, NH: #17 of 60 inventorsTop 30%

🗺 New Hampshire: #3,397 of 12,181 inventorsTop 30%

Overall (All Time): #1,252,660 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
7434523	Speedboat hull design	—	2008-10-14
6883450	Boat hull design	—	2005-04-26
5549066	Triangular boat hull apparatus	—	1996-08-27
4439062	Sealing system and method for sealing earthen containers	—	1984-03-27