C - Chemistry – Metallurgy – 09 – F
Inventor
C - Chemistry, Metallurgy
09
F
Inventor
Manufacture of interpolymers of aromatic vinyl hydrocarbons...
Manufacture of interpolymers of styrene with polyhydric...
Manufacture of interpolymers of styrene with polyhydric...
Manufacture of polymeric substances containing fatty oil...
No associations
LandOfFree
Donald Helmsley Hewitt does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Donald Helmsley Hewitt, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Donald Helmsley Hewitt will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-111897