Richard Francisco

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Castro Valley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Drainpipe filter kit
- Patent number 6,153,095
- Issue date Nov 28, 2000
- Richard Francisco
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Drain strainer with sieve receptacle and bristle extension
- Patent number 6,088,843
- Issue date Jul 18, 2000
- Richard Francisco
- E03 - WATER SUPPLY SEWERAGE