Inventor

JOHNSON LEONARD A

US6 patents

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

3M INNOVATIVE PROPERTIES CO

2 patents

US6215940B1Apr 10, 2001

High voltage insulator for optical fibers

3M INNOVATIVE PROPERTIES CO21 citations90

US5999668ADec 7, 1999

Ceramic fiber optic current sensor

3M INNOVATIVE PROPERTIES CO11 citations71

MINNESOTA MINING & MFG

2 patents

US4053702AOct 11, 1977

Dielectric stress relief at a high voltage cable termination

MINNESOTA MINING & MFG34 citations86

US5729005AMar 17, 1998

Fiber optic current sensor with bend birefringence compensation

MINNESOTA MINING & MFG9 citations73

UNITED TECHNOLOGIES CORP

1 patent

US4226085AOct 7, 1980

Unitary plug mixer and support therefor

UNITED TECHNOLOGIES CORP21 citations80

OPTISENSE NETWORK INC

1 patent

US7199571B2Apr 3, 2007

Probe apparatus for use in a separable connector, and systems including same

OPTISENSE NETWORK INC19 citations77