Inventor

PERKINS JOHN R

US3 patents

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

GROUP 32 DEV AND ENGINEERING INC

1 patent

US7998515B2Aug 16, 2011

Method and apparatus for preventing the discharge of powdery caffeine during coffee roasting

GROUP 32 DEV AND ENGINEERING INC11 citations72

AT & T CORP

1 patent

US7624100B1Nov 24, 2009

Method for web-based exploration of network infrastructure

AT & T CORP4 citations59

AT & T IP II LP

1 patent

US7996423B2Aug 9, 2011

Method for web-based exploration of network infrastructure

AT & T IP II LP1 citations48