Robert V. Cramer

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Washington, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
High efficiency particulate air filter
- Patent number 4,685,944
- Issue date Aug 11, 1987
- Flanders Filters, Inc.
- Thomas T. Allan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High efficiency particulate air filter and method of fabricating same
- Patent number 4,584,005
- Issue date Apr 22, 1986
- Flanders Filters, Inc.
- Thomas T. Allan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL