FD

Frederick P. DeKalb

PL Plantronics: 4 patents #104 of 433Top 25%
Overall (All Time): #1,239,289 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7986803 Ear bud speaker earphone with retainer tab 2011-07-26
D505132 Ear cone for a communications headset Larry R. Linville, Truman R. Baughman, Jr. 2005-05-17
6810987 Earbud headset 2004-11-02
4975949 Electronic headset telephone Jeff Wimsatt, Gary L. Sanders, Robert Bernardi 1990-12-04