Inventor

HANSON FRED W

US3 patents

Patents

3 patents

US6026970AFeb 22, 2000

Telescoping tube assembly

PAR SYSTEMS INC37 citations89

US5762467AJun 9, 1998

Underground storage tank manipulator

PAR SYSTEMS INC14 citations69

US5855540AJan 5, 1999

System for performing work in a hot cell

PAR SYSTEMS INC5 citations60