P R MFG COMPANY innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	21

#	Industry
#1	Consumer goods
#2	Machines
#3	Packaging and shipping
#4	Electrical machinery and energy
#5	Measurement
#6	Control
#7	Medical technology
#8	Surface technology and coating
#9	Mechanical elements

#	Technology
#1	Sound-producing devices
#2	Unspecified technologies
#3	Labelling machines
#4	Alarm systems
#5	Measuring volume
#6	Layered products
#7	Diagnosis and surgery
#8	Shaping of plastics
#9	Electrically-conductive connections
#10	Pipes

Publication	Filing date	Title
US1076517A	1911-03-02	Stamp vending and affixing machine.
US1274448A	1911-02-21	Stamp vending and affixing machine.
US1076391A	1911-01-30	Rotary blower.
US1071178A	1909-09-20	Stamp-vending machine.
US938373A	1908-12-16	Protecting-box for electric wiring.
US949726A	1908-12-07	Electric insulator.
US934396A	1908-12-07	Signal-bell.
US948970A	1908-01-09	Construction of bell-hammers.
US916284A	1908-01-09	Electric signal-bell.
US895987A	1907-11-06	Indicator for liquid-tanks.
US865771A	1906-07-18	Electric signal-bell.
US837675A	1906-07-18	Electrically-actuated signal-bell.
US893314A	1906-07-18	Magnet-actuated signal-bell.
US852937A	1906-07-18	Electrically-actuated signal-bell.
US858064A	1906-02-05	Signal.
US837671A	1906-02-05	Frame for electric bells.
US835183A	1905-12-26	Electric bell.
US835199A	1905-12-26	Electric bell.
US837674A	1905-12-26	Electric signal.
US837673A	1905-12-26	Electric signal-bell.