Inventor
MCCALLUM ROBERT S
CA9 patents
⚠️ This page may combine multiple inventors who share the name “MCCALLUM ROBERT S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELPHAX SYSTEMS
6 patentsUS4999653AMar 12, 1991
Venetian blinding
DELPHAX SYSTEMS11 citations72
US4745421AMay 17, 1988
Ionic print cartridge and printer
DELPHAX SYSTEMS10 citations70
US5030975AJul 9, 1991
Charge transfer imaging cartridge
DELPHAX SYSTEMS9 citations68
US4890123ADec 26, 1989
Print cartridge
DELPHAX SYSTEMS9 citations68
US5006869AApr 9, 1991
Charged particle printer
DELPHAX SYSTEMS13 citations66
US4958172ASep 18, 1990
Charge transfer imaging cartridge
DELPHAX SYSTEMS11 citations66