John Efroymson — 1 Patent at Sharper Image

John Efroymson has been granted 1 US patent while listed as an inventor at Sharper Image. All of these patents were granted in 2004. John Efroymson ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John Efroymson in Sylvania, OH, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6821355	Automatic eyewear cleaner	Charles E. Taylor, Andrew Parker, Edward McKinney, Sik-Leung Chan	2004-11-23	$3,248,000

John Efroymson — 1 Patent

Issued Patents All Time

Patent Widget