Inventor
HOWELLS DAVID J
US4 patents
Patents
4 patentsUS7755974B2Jul 13, 2010
Side scan sonar imaging system with enhancement
JOHNSON OUTDOORS INC82 citations96
US7729203B2Jun 1, 2010
Side scan sonar imaging system with associated GPS data
JOHNSON OUTDOORS INC83 citations96
US7710825B2May 4, 2010
Side scan sonar imaging system with boat position on display
JOHNSON OUTDOORS INC73 citations96
US7652952B2Jan 26, 2010
Sonar imaging system for mounting to watercraft
JOHNSON OUTDOORS INC94 citations96