Frederick C. Grigg — 1 Patent at Psc

Frederick C. Grigg has been granted 1 US patent while listed as an inventor at Psc. All of these patents were granted in 1989. Frederick C. Grigg ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Frederick C. Grigg in Ipswich, GB.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4866422	Security alarm system	Roy V. Dunnett, Arthur C. Lowe	1989-09-12	$248,000

Frederick C. Grigg — 1 Patent

Issued Patents All Time

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