RT

Roger L. Toffolon

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #593,409 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4482126 Universal multi-part form for casting concrete parapets 1984-11-13
4474400 Lifting device for massive precast concrete wall units 1984-10-02
D274762 Lifting device 1984-07-17
4453773 Pavement breaking apparatus 1984-06-12
4400149 Concrete pipe making machine with redensification apparatus Warren E. Kart 1983-08-23
4372091 Precast concrete structural unit and composite wall structure William L. Brown 1983-02-08
4351507 Multi-part form with improved tie and stripping means Warren E. Kart 1982-09-28
4251196 Apparatus for precasting concrete products Warren E. Kart 1981-02-17
4196161 Method for precasting concrete products Warren E. Kart 1980-04-01