Novato, CA, United States of America

Keld T Helmuth

This inventor holds 2 USPTO granted patents. Top assignees: Phonic Ear Inc., Other. Active years: 1985-1989.


% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1985-1989

Loading Chart...
2 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
Loading…