I own a Sherwood regulator and would like to know the exat model.
The US patent number of the first stage is: 426257
US patent number of the second stage is: 350652
Is anyone able to help me finding out which model it exactely is?
The US patent number of the first stage is: 426257
US patent number of the second stage is: 350652
Is anyone able to help me finding out which model it exactely is?