DL

David Littrell

PI Precor Incorporated: 2 patents #64 of 108Top 60%
Overall (All Time): #1,185,513 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D818300 Pitcher Barbara Garrott, Douglas Garrott 2018-05-22
D695856 Exercise training device Terry Jacobs 2013-12-17
D410978 Cross training exerciser Paul D. Barker, James S. Birrell 1999-06-15
D342299 Recumbent exercise cycle James S. Birrell, Timothy O. Armstrong 1993-12-14