Fire escape, ladder, or scaffold
Wall- or floor-attached
Retractable or collapsible beneath floor, track-mounted
Inventor
active
No associations
LandOfFree
John R. Crone 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 R. Crone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John R. Crone will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1745792