John A. Yearn — 1 Patent at Gc

John A. Yearn has been granted 1 US patent while listed as an inventor at Gc. All of these patents were granted in 1994. John A. Yearn ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John A. Yearn in Palos Heights, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5356951	Composition for dental restorative material	Tetsuro Sakuma	1994-10-18	$1,109,000

John A. Yearn — 1 Patent

Issued Patents All Time

Patent Widget