Frank Johnstone

Details Frank Johnstone Frank Johnstone

Automatic temperature and humidity regulation

Combined heater and apartment controlled

Inventor

active

Affiliated with

Also associated with

No associations

Rating

Frank Johnstone does not yet have a rating. At this time, there are no reviews or comments for this inventor.

If you have personal experience with Frank Johnstone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frank Johnstone will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-P-543415