Inventor
JOHNSON WARD L
US5 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON WARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
US COMMERCE
4 patentsUS6170336B1Jan 9, 2001
Electromagnetic acoustic transducer and methods of determining physical properties of cylindrical bodies using an electromagnetic acoustic transducer
US COMMERCE23 citations90
US5895856AApr 20, 1999
Electromagnetic acoustic transducer and methods of determining physical properties of cylindrical bodies using an electromagnetic acoustic transducer
US COMMERCE25 citations90
US6119522ASep 19, 2000
Electromagnetic acoustic transducer and methods of determining physical properties of cylindrical bodies using an electromagnetic acoustic transducer
US COMMERCE18 citations82
US9725752B2Aug 8, 2017
Resonator and process for performing biological assay
US COMMERCE0 citations41