Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 5570076 | Variable resistance device The present invention provides a variable resistance device having at least one pair of channels retaining a conductive ball between them. The channels contain a resistive element and a conductive element and movement of the conductive ball within the cha... | 10/29/1996 |
| 4716395 | Multi-rotation type potentiometer A multi-rotation type potentiometer having an additional stopper member rotatable so as to set a rotation angle of the potentiometer or its sliding member to any angle.... | 12/29/1987 |
| 4400687 | Housing for use with a variable resistor A housing for use with a variable resistor consisting of a spiral resistance element, a rotary shaft, a conductive slide plate and a top is disclosed. The housing includes a cylindrical body for supporting on its inner surface the resistance element, a fi... | 08/23/1983 |
| 4152687 | Conductive plastic multi-turn potentiometer A resistance element comprises an insulating cylinder having a helical thread groove on the outer surface thereof. A resistive channel is supported by the groove and a multi-strand wiper is guided by a follower which rides in the root of the channel. The ... | 05/01/1979 |
| 4081780 | Explosion inhibiting potentiometer assembly and drive mechanism therefor A potentiometer contained within a housing is operated from the outside by means of an operating member which extends inward through an orifice in a housing wall. The operating member engages the potentiometer drive stem with the aid of an O-ring slip clu... | 03/28/1978 |
| 4002836 | Audio signal distributor The Audio Signal Distributor (abbreviated ASD) is a device which takes the current from the amplifier output and distributes it in varying ratios to a plurality of speakers. The nature of the invention is a modified rheostat which divides the output curre... | 01/11/1977 |
| 3932831 | Variable resistance device A variable resistor including a resistance element, a housing supporting the element, and rotary means including a shaft located within the housing. Means are provided to restrain rotational movement of the rotary means except upon application of a relati... | 01/13/1976 |
