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Assignee: Technical Systems Corp.


Location: Cleveland, OH
No. of patents: 6

NumberTitleIssue Date
6423900Active cover plate for an electrical outlet
An active cover plate is provided for a standard electrical device such as a switch or receptacle which has a body unit-molded from a synthetic resin. The active cover plate is so termed because an active load is embedded within it. The exterior of the bo...
07/23/2002
6087588Active cover plate for an electrical outlet
An active cover plate is provided for a standard electrical device such as a switch or receptacle which has a body unit-molded from a synthetic resin. The active cover plate is so termed because an active load is embedded within it. The exterior of the bo...
07/11/2000
5522623Coded identification card and other standardized documents
An apparently conventional document such as an identification (ID) card is constructed as a laminate within which is a code or other coding indicia such as a photograph, bar code or fingerprint. concealed from human view. The document is read by a convent...
06/04/1996
5259907Method of making coded playing cards having machine-readable coding
An apparently conventional playing card is invisibly coded so that it can only be read face down, by an electrooptic reading means. The card may be of non-laminated conventional card stock which has a substantially white surface conventionally printed wit...
11/09/1993
5169155Coded playing cards and other standardized documents
An apparently conventional playing card is invisibly coded so that it can only be read face down, by an electro-optic reading means. The card may be of non-laminated conventional card stock which has a substantially white surface conventionally printed wi...
12/08/1992
5067713Coded playing cards and apparatus for dealing a set of cards
A deck of cards is coded by marking each card on its face with a bar code which is essentially invisible to the human eye, but can be read by a detector matched to the source of wavelength of the light used to irradiate each card as it is passed over the ...
11/26/1991
 
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