Colin Cornhill — 2 Patents at Square D

Colin Cornhill has been granted 2 US patents while listed as an inventor at Square D. The first was granted in 1992 and the most recent in March 1999. Colin Cornhill ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Colin Cornhill in Corsham, IA, GB.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5886860	Circuit breakers with PTC (Positive Temperature Coefficient resistivity	William W. Chen, Andy A. Haun, Gary W. Scott, Manzoor Ali, William Rezac +1 more	1999-03-23
5091640	Phase advance for ambient light suppression in phototransistors	Charles K. Carlin	1992-02-25

Colin Cornhill — 2 Patents

Issued Patents All Time

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