Uncategorized
Inventor
Butterfly valves
Butterfly valves
Butterfly valves
Method and means for sealing relatively movable members
Butterfly valves
Butterfly valves
Butterfly valves
Method and means for sealing relatively movable members
LandOfFree
Frank E. Swain does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Frank E. Swain, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frank E. Swain will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-514318