Inventor

FLETCHER JOHN W

US4 patents

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

AGTEK DEV COMPANY INC

2 patents

US4733355AMar 22, 1988

Non-contacting range sensing and control device

AGTEK DEV COMPANY INC63 citations92

US6966387B2Nov 22, 2005

Universal optical adapter for a three dimensional earthgrading system

AGTEK DEV COMPANY INC19 citations74

AGTEK DEV CO INC

1 patent

US4820041AApr 11, 1989

Position sensing system for surveying and grading

AGTEK DEV CO INC297 citations94

FLETCHER JOHN W

1 patent

US8080977B1Dec 20, 2011

Power monitor

FLETCHER JOHN W1 citations42