Inventor
MARR MICHAEL R
US4 patents
⚠️ This page may combine multiple inventors who share the name “MARR MICHAEL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
3 patentsUS4837677AJun 6, 1989
Multiple port service expansion adapter for a communications controller
IBM171 citations96
US4751634AJun 14, 1988
Multiple port communications adapter apparatus
IBM71 citations94
US4716523ADec 29, 1987
Multiple port integrated DMA and interrupt controller and arbitrator
IBM109 citations94