Boots – shoes – and leggings
Patent
1989-11-28
1992-10-06
Envall, Jr., Roy N.
Boots, shoes, and leggings
377 5, 273148R, G06F 1528, G06F 1544, G06G 748
Patent
active
051538261
ABSTRACT:
A hand-held, portable device for keeping track of the in-play and error shots of a specific type of shot made by a player in a sports event, comprises at least a first display for indicating at least the percentage of the cumulative number of in-play shots relative to the cumulative number of the total in-play and error shots; a first key switch for inputting each in-play shot; a second key switch for inputting each error shot; and a microprocessor for keeping track of the total number of in-play and error shots and for calculating at least the percentage of the cumulative number of the in-play shots relative to the cumulative number of the shots made by the player, whereby the percentage display is updated each time one of the first and second key switches is depressed.
REFERENCES:
patent: 4128893 (1978-12-01), Johnson
patent: 4220992 (1980-09-01), Blood
patent: 4266214 (1981-05-01), Peters, Jr.
patent: 4286323 (1981-08-01), Meday
patent: 4367526 (1983-01-01), McGeary
patent: 4654818 (1987-03-01), Wetteran
patent: 4689757 (1987-08-01), Downing
patent: 4868772 (1989-09-01), Collard
patent: 4879651 (1989-11-01), Little, Jr.
patent: 4990603 (1991-03-01), Mele et al.
Brutman Laura
Envall Jr. Roy N.
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