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National Solar Corporation
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Old Saybrook, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Solar collector device
Patent number
4,297,991
Issue date
Nov 3, 1981
National Solar Corporation
Anthony Easton
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
73253381 - SUNTEAM
Serial number
73253381
Registration number
1188937
Filing date
Mar 10, 1980
National Solar Corporation
37 - Building construction