Herman E. Sheffield — 2 Patents at Automatic Power

Herman E. Sheffield has been granted 2 US patents while listed as an inventor at Automatic Power. The first was granted in 1980 and the most recent in June 1986. Herman E. Sheffield ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Herman E. Sheffield in Houston, TX, US.

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

Herman E. Sheffield — 2 Patents

Issued Patents All Time

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