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Patent applications and USPTO patent grants for Altenburger; Otto.The latest application filed is for "bus monitor circuit for detecting malfunction of telephone circuits connected in groups to a common bus".
Patent | Date |
---|---|
Bus monitor circuit for detecting malfunction of telephone circuits connected in groups to a common bus Grant 4,041,253 - Altenburger , et al. August 9, 1 | 1977-08-09 |
Control system for switching networks Grant 3,867,583 - Dorazio, Jr. , et al. February 18, 1 | 1975-02-18 |
Call Back Arrangement Grant 3,854,014 - Akin , et al. December 10, 1 | 1974-12-10 |
Call Forwarding Arrangement Grant 3,854,013 - Altenburger , et al. December 10, 1 | 1974-12-10 |
Path Finding System Grant 3,842,214 - Altenburger , et al. October 15, 1 | 1974-10-15 |
Matrix Switching Network Control Link Interconnection Circuit Grant 3,792,200 - Altenburger , et al. February 12, 1 | 1974-02-12 |
Scanner Circuit Grant 3,718,907 - Altenburger February 27, 1 | 1973-02-27 |
Line Lockout Circuit Grant 3,699,265 - Altenburger October 17, 1 | 1972-10-17 |
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