International Mobile Machines
Patent Owner
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 10, 1993 most recent publication
Details
- 3 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 2,319 Total Citation Count
- Oct 16, 1978 Earliest Filing
- 37 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5121391 Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channelsExpiredNov 20, 89Jun 09, 92[H04J]
5119375 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channelsExpiredDec 27, 90Jun 02, 92[H04J]
5022024 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channelsExpiredMay 08, 89Jun 04, 91[H04J]
5008900 Subscriber unit for wireless digital subscriber communication systemExpiredAug 14, 89Apr 16, 91[H04B]
4912705 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channelsExpiredMar 16, 89Mar 27, 90[H04J]
4893317 Digital signals and frequency correction in a digital wireless systemExpiredOct 12, 88Jan 09, 90[H04L]
4862107 Frequency synthesizer for broadcast telephone system having multiple assignable frequency channelsExpiredJun 27, 88Aug 29, 89[H03L]
Top Inventors for This Owner
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