CG

Clifford Jay Griffin

📍 Murrieta, CA: #38 of 398 inventorsTop 10%
🗺 California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #460,096 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9830127 Electrolarynx control button arrangement with improved frequency control Mark Andrew Robertson 2017-11-28
9561099 Electrolarynx control button arrangement Mark Andrew Robertson 2017-02-07
9336795 Speech therapy system and method with loudness alerts Mark Andrew Robertson, Karen Griffin 2016-05-10
9116539 Electrolarynx thumbwheel arrangement 2015-08-25
9031249 Electrolarynx 2015-05-12
D713824 Throat microphone 2014-09-23
D681818 Electrolarynx 2013-05-07
D680222 Electrolarynx 2013-04-16
D678529 Electrolarynx 2013-03-19
6252966 Artificial larynx 2001-06-26
5812681 Artificial larynx with frequency control 1998-09-22