I have attached the ref patents
the variety of surrounding patents are very interesting also
It is important to know most members maintain full pdf and hard copy library's with some
re published in to hard copy books and spread around World and continuing spread. .
to aid understanding Sept. 16, 1981, U.S. Ser. No. 302,807
I ref this from forum post at ionx
The following link is a to years and serial number for a US patent and has a xx/yyyy format
Since the 1981 year does not go up to 302807 for that year, use a google search for 6/303807 ( dropped the zero in the x field
which results in a link to US patent US4613304A titled "Gas Electrical Hydrogen Generator"
=================
Link to table:
https://www.uspto.gov/web/offices/ac/ido/oeip/taf/filingyr.htmregards
Just google 4613304A and download the pdf from google.patents or the US patent office
Answer for patent series 302807
xx/yyyyyy format
a search for patent series 6/302807 brings up US Pat 4613304A
==================
there are several patents which are what I would call below basic voltrolysis from stan 1975 to 1982
as he tested patent office and writing patents
Dan