Joseph D. Grandine

MI Millipore: 2 patents #123 of 440Top 30%

📍 Acton, MA: #728 of 1,334 inventorsTop 55%

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

Overall (All Time): #2,373,491 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4203847	Making porous membranes and the membrane products	—	1980-05-20
4203848	Processes of making a porous membrane material from polyvinylidene fluoride, and products	—	1980-05-20