Uncategorized
Inventor
Control mechanism for operating movable members
Rotary ventilator
Ventilator
Control mechanism for operating movable members
Rotary ventilator
Ventilator
Ventilator
LandOfFree
William F. Hirschman does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with William F. Hirschman, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and William F. Hirschman will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-390881