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_ US005265874A
United States Patent [19] [11] Patent Number: 5,265,874
Dickinson et al. [45] Date of Patent: Nov. 30, 1993
[54] CASHLESS GAMING APPARATUS AND METHOD
[75] Inventors: Peter D. Dickinson, Reno; Charles T.
Schreiber, Sparks; Logan Pease,
Reno, all of Nev.
[73] Assignee: International Game Technology
(IGT), Reno, Nev.
[21] Appl. No.: 829,097
[22] Filed: Jan. 31, 1992
[51] Int. CI.' A63F9/00
[52] U.S. CI 273/138 A; 364/412
[58] Field of Search 273/138 A, 143, 434;
194/210, 217; 364/412
[56] References Cited
U.S. PATENT DOCUMENTS
4,339,798 7/1982 Hedges 273/138 A X
4,575,622 3/1986 Pellegrini 273/434 X
4,669,596 6/1987 Capers et al 194/210
4,669,730 6/1987 Small 273/138 A
4,675,515 6/1987 Lucero 235/381
4,689,742 8/1987 Troy et al 273/138 A X
4,815,741 3/1989 Small 273/138 A
5,007,641 4/1991 Seidman 273/138 A
5,038,022 8/1991 Lucero 273/138 A X
5,080,364 1/1992 Seidman 273/138 A
5,096,195 3/1992 Gimmon 273/138 A
5,135,224 8/1992 Yamamoto et al 273/143 R
5,197,094 3/1993 Tillery et al 273/434 X
Primary Examiner—William H. Grieb