Mechanical shoppers guide

Details Mechanical shoppers guide Mechanical shoppers guide

1976-07-26

1978-05-16

Swisher, S. Clement

Signals and indicators

Horns, whistles and compressional wave generators

Manually actuated air compressor

G09F 900

Patent

active

040892921

ABSTRACT:
The invention provided a reminder device including a series of longitudinally spaced indicator means mounted on a base member, and a series of correspondingly spaced indicia each indicator means being rotatable into a position to indicate whether an item represented by the associated indicia is needed to be purchased at the store.

REFERENCES:
patent: 773749 (1904-11-01), Kaplan
patent: 2177978 (1939-10-01), Darvie
patent: 2866601 (1958-12-01), Naber

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