Uncategorized
Inventor
Combination mask and suit regulators
Combination valve for oxygen converters
No associations
LandOfFree
John W. Keckler 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 W. Keckler, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John W. Keckler will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-383566