Inventor

HELGERSON DAVID E

US7 patents

⚠️ This page may combine multiple inventors who share the name “HELGERSON DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MAGSTAR TECHNOLOGIES INC

3 patents

US7175018B2Feb 13, 2007

QUICKDRAW DESIGN AND DRAFTING

2 patents

US5558205ASep 24, 1996

Conveyors

QUICKDRAW DESIGN AND DRAFTING27 citations90

US5558206ASep 24, 1996

Conveyor technology

QUICKDRAW DESIGN AND DRAFTING29 citations90

ACTIVAR TECHNICAL PRODUCTS GRO

1 patent

US7748520B1Jul 6, 2010

Slip roller conveyor

ACTIVAR TECHNICAL PRODUCTS GRO21 citations86

AUTOMATION INC

1 patent

US12384635B2Aug 12, 2025

Adjustable tray stacker/destacker assembly

AUTOMATION INC1 citations53