Uncategorized
Inventor
Country: United States Of America
Aeroplane
Apparatus for indicating for trim of a ship, etc.
Apparatus for slotting the edges of running webs
Interactive learning and assessment platform
Ship weighing machine
Aeroplane
Apparatus for indicating for trim of a ship, etc.
Ship weighing machine
LandOfFree
Donald Mackay does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Donald Mackay, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Donald Mackay will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-186722