Dresden G. Smith

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Lighting system for roadside signs
- Patent number 5,021,715
- Issue date Jun 4, 1991
- Norman D. Smith
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Air and water volume control apparatus for hydropneumatic tanks
- Patent number 4,576,552
- Issue date Mar 18, 1986
- Dresden G. Smith
- E03 - WATER SUPPLY SEWERAGE