RK

Robert E. Krevinghaus

CT Ctb: 1 patents #48 of 85Top 60%
Overall (All Time): #3,736,457 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5492082 Method and apparatus for controlling temperature within poultry houses and the like William M. Smith, George Strohschein, Ray E. Swartzendruber 1996-02-20