Horst E. Hirsch — 3 Patents at Cominco

Horst E. Hirsch has been granted 3 US patents while listed as an inventor at Cominco. The first was granted in 1980 and the most recent in April 1981. Horst E. Hirsch ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Horst E. Hirsch in Trail, BC, CA.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4263109	Precipitation of chloride from zinc sulphate solution	Godefridus M. Swinkels, Michael J. Fairweather, Ernest G. Parker	1981-04-21	$7,118,000
4231981	Cadmium mercury telluride sputtering targets	Robert W. Smyth	1980-11-04
4192851	Leaching of metal sulphides	John F. Higginson, Ernest G. Parker, Godefridus M. Swinkels	1980-03-11

Horst E. Hirsch — 3 Patents

Issued Patents All Time

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