RJ

Robert T. Jeffery

Overall (All Time): #2,270,018 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5626094 Tactile last-step indicator for stair safety Brian F. Donnelly, Robert S. Krolick 1997-05-06
D364714 Cylindrical dipstick cleaner 1995-11-28