Plastic and nonmetallic article shaping or treating: processes
Recycling of reclaimed or purified process material
Of gaseous process material
Representative
active
No affiliations
1,3-diamino-5-pentafluorosulfanylbenzene
Acetylene (ethynyl) terminated polyimide siloxane and process fo
Acetylene terminated aspartimides and resins therefrom
Acoustic guide for noise-transmission testing of aircraft
Acoustic radiation stress measurement
LandOfFree
George F. Helfrich does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with George F. Helfrich, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and George F. Helfrich will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-29104