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Herman E. Sheffield

APAutomatic Power: 1 patents #3 of 11Top 30%

Houston, TX: #8,651 of 21,073 inventorsTop 45%

Texas: #52,441 of 125,132 inventorsTop 45%

Overall (All Time): #2,348,678 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4595978	Programmable control circuit for controlling the on-off operation of an indicator device	—	1986-06-17
4218139	Solar energy device and method	—	1980-08-19