Valves and valve actuation
With selective flow regulation
Inventor
active
Metering valve
Union bonnet valve
No associations
LandOfFree
Donald R. Speckmann 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 R. Speckmann, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Donald R. Speckmann will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1028605