TELEPHONE ANSWERING AND RECORD innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	21
#2	Canada	6

#	Technology
#1	Telephonic communication
#2	Special information storage
#3	Unspecified technologies

Publication	Filing date	Title
US2777013A	1954-12-10	Telephone answering and recording devices
US2777898A	1954-12-08	Reproducing apparatus
US2799726A	1953-11-18	Telephone answering and recording devices
US2775651A	1953-04-29	Telephone answering and recording devices
US2835737A	1953-02-11	Telephone answering and recording devices
US2743315A	1952-10-23	Control circuits for telephone answering and recording devices
US2866851A	1952-10-23	Telephone answering and recording devices
US2793251A	1952-04-02	Signalling apparatus
US2793250A	1952-03-21	Telephone answering and recording devices
US2800530A	1952-01-09	Telephone answering and recording devices
US2724016A	1950-05-27	Telephone answering and recording device
US2724015A	1950-05-27	Telephone answering and recording device
US2713088A	1949-12-17	Telephone answering and recording device
US2673242A	1949-12-17	Means for controlling telephone answering devices
US2673241A	1948-06-02	Telephone answering and recording device
US2374842A	1943-07-10	Recording and reproducing apparatus
US2340161A	1942-11-04	Apparatus for operating phonographs and processing records therefor
US2340160A	1942-01-13	Private branch exchange telephone system employing phonographs
US2332359A	1941-09-26	Combined telephone and phonograph
US2340147A	1941-03-18	Recording and reproducing apparatus