Richard Renrong Zhang

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Hockessin, DE, US

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Patents Applicationslast 30 patents

Information Patent Application
Method For Mixing Liquid Samples In A Container Using A Lemniscate...
- Publication number 20120127821
- Publication date May 24, 2012
- SIEMENS HEALTHCARE DIAGNOSTICS INC.
- William David Dunfee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method and Device for Cleaning a Liquid Aspiration and Dispense Probe
- Publication number 20080099057
- Publication date May 1, 2008
- Dade Behring Inc.
- William David Dunfee
- B08 - CLEANING
Information Patent Application
Photovoltaic device for illuminating mailbox address
- Publication number 20050132624
- Publication date Jun 23, 2005
- Frank Fang Gao
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS