EMERSON RADIO & PHONOGRAPH COR innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	20

#	Industry
#1	Machines
#2	Basic communication technologies
#3	Electrical machinery and energy
#4	Control
#5	Telecommunications

#	Technology
#1	Postal sorting
#2	Unspecified technologies
#3	Generation of oscillations
#4	Waveguides
#5	Tuning resonant circuits
#6	Control or regulating systems
#7	AC and DC conversion devices
#8	Systems controlling non-electric variables
#9	Amplification control
#10	Distribution of electric power

#	Name	Total Patents
#1	Pollak Jr Philip	2
#2	Abbot Edward A	1
#3	Walter Eilers	1
#4	Gray Falconer David	1
#5	George Sperling Jacob	1
#6	Mark Weinstein	1
#7	Kalmus Henry P	1
#8	George Makrides Constantine	1
#9	Jones Lester L	1
#10	Sperling Jacob G	1

Publication	Filing date	Title
US2998711A	1959-07-20	Air conditioner
US2929490A	1958-06-20	Mail handling apparatus
US2935707A	1958-05-12	Inductive tuning device
US2984349A	1958-03-28	Mail handling apparatus
US2986276A	1957-12-30	Mail culling equipment
US2928337A	1957-12-05	Automatic mail cancelling apparatus
US2911279A	1957-12-05	Time stamp changing mechanism for mail cancelling systems or the like
US2941653A	1957-12-02	Mail handling apparatus
US2905309A	1957-11-14	Mail handling apparatus
US2941654A	1957-09-18	Mail handling apparatus
US2961085A	1957-09-11	Mail handling apparatus
US2892975A	1956-12-24	Voltage-compensated self biased magnetic amplifier
US2908813A	1956-11-28	Phase and frequency modifying apparatus for electrical waves
US2774866A	1956-01-30	Automatic gain and band width control for transistor circuits
US2794155A	1956-01-04	Handling and locking structure for switchboard panel units
US2825861A	1955-12-22	Integrating servo mechanism
US2825813A	1955-07-12	Temperature-compensated transistor oscillator circuit
US2869002A	1955-05-25	Transistor frequency dividers
US2233706A	1939-11-01	Radio receiving circuit
US2220051A	1939-10-31	Power supply for radio receiving sets