Royal R. Swanson

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DeLand, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Backflushable rotary melt polymer filter apparatus
- Patent number 5,200,077
- Issue date Apr 6, 1993
- Memtec America Corporation
- Raymond R. McNeice
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rotary diverter valve having flat valve interfaces
- Patent number 4,936,348
- Issue date Jun 26, 1990
- Memtec America Corporation
- Royal R. Swanson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL