33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
191625
15686
1
Public Timelines
FAQ

jan 1, 1928 - Hot water seperation

Description:

Patent granted.

Added to timeline:

30 Oct 2017
1
0
805

Date:

jan 1, 1928
Now
~ 97 years ago