Eric D. Roll

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Bryan, OH, US

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Patents Applicationslast 30 patents

Information Patent Application
Non-metallic pressure caps and diaphragm pump housings incorporatin...
- Publication number 20040069140
- Publication date Apr 15, 2004
- Ingersoll-Rand Company
- Stephen D. Able
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...