1975-10-02
1977-09-27
Largen, James R.
D3100
Patent
active
D02459280
REFERENCES:
patent: 2927787 (1960-03-01), Maher
patent: 3435794 (1969-04-01), Pechaeck
patent: D213956 (1969-04-01), Jones, Jr. et al.
Largen James R.
Thompson Irvin S.
LandOfFree
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