Inventor
RETALLACK LAURENCE J
CA3 patents
Patents
3 patentsUS4731833AMar 15, 1988
Low profile circuit board mounted telephone jack
NORTHERN TELECOM LTD27 citations89
US4647728AMar 3, 1987
Programming switch assembly for communication terminals
NORTHERN TELECOM LTD3 citations59
US4493949AJan 15, 1985
Parallel operation of telephone equipment on a digital loop
NORTHERN TELECOM LTD6 citations51