Alloys or metallic compositions
Nickel base
Copper containing
Inventor
active
Machinable lean beryllium-nickel alloys containing copper for go
Method and apparatus for welding precipitation hardenable materi
Process for thermodynamically treating a region joining two memb
Process for thermodynamically treating a region joining two memb
No associations
LandOfFree
John O. Ratka does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John O. Ratka, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John O. Ratka will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-624816