Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Scorer or indicator for game or sport
Patent
1988-10-06
1991-01-15
Feifer, Melvin B.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Scorer or indicator for game or sport
Patent
active
D03137694
REFERENCES:
patent: D234529 (1975-03-01), Trager
patent: 2069487 (1937-02-01), van Riper
patent: 3730131 (1973-05-01), Izzo
patent: 3777699 (1973-12-01), Pfleger
patent: 3936963 (1976-02-01), Chan
patent: 4738449 (1988-04-01), Droz
Deshmukh Prabhakar
Feifer Melvin B.
Litman Richard C.
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