S. Dirk Kramers

HI Harken, Incorporated: 1 patents #14 of 29Top 50%

📍 Portsmouth, RI: #161 of 296 inventorsTop 55%

🗺 Rhode Island: #3,444 of 6,211 inventorsTop 60%

Overall (All Time): #3,815,909 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5181477	Boom for sailing vessel	Olaf T. Harken, Eric R. D. Hall	1993-01-26