Herbert Giesche — 2 Patents at Merck

Herbert Giesche has been granted 2 US patents while listed as an inventor at Merck. The first was granted in 1988 and the most recent in March 1990. Herbert Giesche ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Herbert Giesche in Nieder-Olm, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4911903	Spherical SIO.sub.2 particles	Klaus Unger, Joachim Kinkel	1990-03-27	$35,569,000
4775520	Spherical SiO.sub.2 particles	Klaus Unger, Joachim Kinkel	1988-10-04	$19,676,000

Herbert Giesche — 2 Patents

Issued Patents All Time

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