Uncategorized
Inventor
Automatic set works
Gas meter payment disc retaining plate
Method of and apparatus for making deposited carbon resistors
Prepayment mechanism for gas or similar meters
LandOfFree
Donald E. Johnson 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 E. Johnson, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Donald E. Johnson will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-66230