Assignee
SERVICEMASTER IND
12 granted patents·359 citations·filing 1974–1984
Top patents by PatentIndex Score
12 records- 0192US3992747ACleaning toolSERVICEMASTER IND·Filed 1975·Granted Nov 23, 1976·85 cites·20 claims
- 0280US4270238ACleaning toolSERVICEMASTER IND·Filed 1979·Granted Jun 2, 1981·50 cites·10 claims
- 0378US3958298ACleaning nozzleSERVICEMASTER IND·Filed 1974·Granted May 25, 1976·50 cites·10 claims
- 0475US4198721ACombination motor and auxiliary mechanism actuatorSERVICEMASTER IND·Filed 1978·Granted Apr 22, 1980·19 cites·7 claims
- 0575US4028827ASignSERVICEMASTER IND·Filed 1976·Granted Jun 14, 1977·33 cites·3 claims
- 0669US4429432ASanitizer attachment for a mobile floor cleanerSERVICEMASTER IND·Filed 1981·Granted Feb 7, 1984·36 cites·10 claims
- 0766US4601954ADisinfectant formulationSERVICEMASTER IND·Filed 1984·Granted Jul 22, 1986·24 cites·10 claims
- 0865US4174977AApparatus and method for mopping floorsSERVICEMASTER IND·Filed 1978·Granted Nov 20, 1979·29 cites·11 claims
- 0964US3971643AVacuum cleaner including dust bag and filterSERVICEMASTER IND·Filed 1975·Granted Jul 27, 1976·22 cites·9 claims
- 1026US4400843ARotary floor cleanerSERVICEMASTER IND·Filed 1981·Granted Aug 30, 1983·1 cites·8 claims
- 1123US4656765AApparatus for bedding control in health care institutionsSERVICEMASTER IND·Filed 1983·Granted Apr 14, 1987·7 cites·6 claims
- 1223US4102462ATip device for a vacuum cleaner tankSERVICEMASTER IND·Filed 1977·Granted Jul 25, 1978·3 cites·1 claims
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