JF

John W. Fletcher

📍 Pleasanton, CA: #1,209 of 3,062 inventorsTop 40%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,241,048 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8080977 Power monitor 2011-12-20
6966387 Universal optical adapter for a three dimensional earthgrading system Emden E. Marriott, Jr. 2005-11-22
4820041 Position sensing system for surveying and grading Richard W. Davidson 1989-04-11
4733355 Non-contacting range sensing and control device Richard W. Davidson 1988-03-22