Inventor · disambiguated record
Hans-Joachim Holtzmann
Also filed as: HOLTZMANN HANS-JOACHIM
3 granted patents·396 citations·filing 1986–1988
80Inventor score
Files withBEIERSDORF AG3
Top patents by PatentIndex Score
3 records- 0197US4778461AHeart valve prosthesis and process for its productionBEIERSDORF AG·Filed 1986·Granted Oct 18, 1988·261 cites·15 claims
- 0283US4996054AAntithrombogenic, non-calcifying material and method of making articles for medical purposesBEIERSDORF AG·Filed 1988·Granted Feb 26, 1991·96 cites·11 claims
- 0357US4831065AAntithrombogenic, non-calcifying material and method of making articles for medical purposesBEIERSDORF AG·Filed 1986·Granted May 16, 1989·39 cites·7 claims
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