An ergonomic tool handle (21) which is useful for a terminal insertion hand tool, gardening hand tools, knives, box cutters, screwdrivers and other pushing or pulling type hand tools. The tool handle (21) of the present invention is contoured to promote neutral posture between the hand and wrist as well...http://www.google.ca/patents/US6094780?utm_source=gb-gplus-sharePatent US6094780 - Ergonomic handle for terminal insertion tool
