Gerhard Siewert — 2 Patents at Schering

Gerhard Siewert has been granted 2 US patents while listed as an inventor at Schering. The first was granted in 1983 and the most recent in September 1985. Gerhard Siewert ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Gerhard Siewert in Berlin, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4543329	Process for the specific cleavage of protein sequences from proteins	Joachim Daum, Michael Topert, Hartmut Seliger	1985-09-24
4375514	Preparation and use of recombinant plasmids containing genes for alkaline phosphatases	Werner Boidol, Joachim Daum	1983-03-01

Gerhard Siewert — 2 Patents

Issued Patents All Time

Patent Widget