JO

John D. O'Brien

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,145,077 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D957086 Sandwich Dillon Ceglio, Brett Perrotta 2022-07-12
4653255 Line reel mower Stephen M. Baker, Douglas G. Davidson 1987-03-31
D268010 Display card 1983-02-22
D266630 Bow template 1982-10-26