Measuring – testing – or signalling instruments – Time-measuring instrument or casing – Parking meter
Patent
1992-04-08
1993-12-14
Douglas, Alan P.
Measuring, testing, or signalling instruments
Time-measuring instrument or casing
Parking meter
Patent
active
D03422097
REFERENCES:
patent: D146469 (1947-03-01), Fink
patent: D154716 (1949-08-01), Simpson
patent: D174625 (1955-05-01), Jones
patent: 3297123 (1967-01-01), Hutchins
patent: 3905460 (1975-09-01), Greenwald et al.
patent: 4379334 (1983-04-01), Feagins
patent: 4579214 (1986-04-01), Volk
patent: 4679684 (1987-07-01), Glaser
patent: 4737758 (1988-04-01), Meiksin
patent: 5003520 (1991-03-01), Grieu et al.
Davis Antoine D.
Douglas Alan P.
Park-U-Self (Canada) Ltd.
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