Clifford Ryan Grounds — 3 Patents at Knowles Electronics

Clifford Ryan Grounds has been granted 3 US patents while listed as an inventor at Knowles Electronics. The first was granted in 2008 and the most recent in September 2014. Clifford Ryan Grounds ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Clifford Ryan Grounds in Plainfield, IL, US.

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Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8824726	Low axial vibration receiver armature and assembly	Thomas E. Miller, Henry Nepomuceno, David E. Schafer, George Patterson	2014-09-02	$17,409,000
8494209	Low axial vibration receiver armature and assembly	Thomas E. Miller, Henry Nepomuceno, David E. Schafer, George Patterson	2013-07-23
D573588	Assistive listening device	Daniel Warren, Matthew Mial Mason, Thomas Joschika	2008-07-22

Clifford Ryan Grounds — 3 Patents

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