Donald G. Parrott

SI Sonnax Industries: 1 patents #2 of 5Top 40%

📍 Alstead, NH: #2 of 3 inventorsTop 70%

🗺 New Hampshire: #507 of 1,549 inventorsTop 35%

Overall (2016): #414,505 of 481,213Top 90%

Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9447871	Multiple-ratio boost valve	Todd V. Mangiagli, Maura J. Stafford	2016-09-20