RH

Robert L. Holland

OE Otis Engineering: 1 patents #122 of 228Top 55%
Overall (All Time): #1,620,427 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6182344 Bleacher seat cap installation tool and methods of use 2001-02-06
6032346 Bleacher seat cap installation tool 2000-03-07
4354554 Well safety valve Michael Bozich Calhoun, Paul D. Scott 1982-10-19