Movable or removable closures
Facially opposed primary and auxiliary closure for common...
Auxiliary mounted for movement
Inventor
active
No associations
LandOfFree
Walter R. Knapp does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Walter R. Knapp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Walter R. Knapp will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-276081