Assignee
CALCULAGRAPH COMPANY
US·3 granted patents·42 citations·filing 1982–1985
Top patents by PatentIndex Score
3 records- 0170US4611336AFrame synchronization for distributed framing pattern in electronic communication systemsCALCULAGRAPH COMPANY·Filed 1984·Granted Sep 9, 1986·26 cites·5 claims
- 0248US4446340ACustomer premises loop test unit powered from the normal central office power sourceCALCULAGRAPH COMPANY·Filed 1982·Granted May 1, 1984·9 cites·4 claims
- 0333US4688215ADemultiplexer for two-stage framingCALCULAGRAPH COMPANY·Filed 1985·Granted Aug 18, 1987·7 cites·16 claims
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