Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1987-09-25
1989-01-10
Petrakes, John
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 552, 250221, B65H 1600, G01V 904
Patent
active
047968257
ABSTRACT:
The electronic paper towel dispenser permits paper towels to be dispensed from a supply roll by placing your hand or other object in front of a sensor located on or near the front of the supply cabinet. Dispensing of the paper towels is stopped when your hand or other object is removed from in front of the sensor or whenever normal room lighting is not present.
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patent: 3667825 (1972-06-01), Pagel
patent: 3951485 (1976-04-01), Schnyder et al.
patent: 4071200 (1978-01-01), Stone
patent: 4192442 (1980-03-01), Bastian et al.
patent: 4270818 (1981-06-01), McCabe
patent: 4329581 (1982-05-01), Helfrich et al.
Carpenter John Wade
Hail III Joseph J.
Petrakes John
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