Inventor

MCCALLUM ROBERT

CA7 patents

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

Blue Egg Advisory Group LLC

2 patents

USD726529SApr 14, 2015

Connector for educational construction kits

Blue Egg Advisory Group LLC8 citations79

USD726528SApr 14, 2015

Connector for educational construction kits

Blue Egg Advisory Group LLC9 citations79

DELPHAX TECHNOLOGIES INC

2 patents

US9090097B2Jul 28, 2015

Inkjet printer with selectable simplex and duplex printing

DELPHAX TECHNOLOGIES INC0 citations31

US8851642B2Oct 7, 2014

Ink delivery system for inkjet printheads

DELPHAX TECHNOLOGIES INC0 citations30

CALEY HYDRAULICS LTD

1 patent

US4662300AMay 5, 1987

Offshore load-handling system

CALEY HYDRAULICS LTD18 citations68

NCR CANADA

1 patent

US4203675AMay 20, 1980

Pressure printer

NCR CANADA5 citations54

THOMSON CHRISTOPHER

1 patent

US8794727B2Aug 5, 2014

Multiple print head printing apparatus and method of operation

THOMSON CHRISTOPHER1 citations37