Uncategorized
Inventor
Cylinder lock
Key and combination lock
Watchman's signal and alarm system
Watchman's tour key
No associations
LandOfFree
Harold Machinist does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Harold Machinist, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Harold Machinist will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-33693