The phrase "a handful of protocols" is correct and usable in written English.
It can be used to refer to a small number of specific protocols in a context where you want to emphasize that the quantity is limited.
Example: "In our research, we implemented a handful of protocols to ensure data security and integrity."
Alternatives: "a few protocols" or "several protocols".
A large carrier can provide some order to a market fragmented between hundreds of handsets running on a half dozen major software platforms and a handful of different wireless protocols.
Groopman and Hartzband mentioned a handful of studies in which protocols had led to outcomes that were no better, or even worse, than what doctors had previously been doing.
Nearly two dozen cases remained enough to verify that a handful of nits can outlast standard treatment protocols, Burgess reports in an upcoming issue of Medical and Veterinary Entomology.
And then of course there's "Mission's" international box office, at $65 million after opening in a handful of territories, ahead of the "Ghost Protocol" numbers in many key countries.
A handful of test-bed measurement studies of flooding protocols have also been done.
Here in the United States, a handful of experiments tinkering with the genome of insects has recently received protocol clearance by the government.
A handful of surveys have attempted to discuss general smart grid communication requirements, standards, and protocols for household demand management [7 10].
The warnings have already prompted a handful of European countries, among them France, Britain, Austria, Sweden and the Netherlands, to announce that they would hew to established protocol and send ambassadors.
Quality assurance protocols for e-learning scenarios [ 16] were in place at only a handful of medical schools.
EU member states, with a handful of allies including Norway and Switzerland, are the only developed countries prepared to carry on with the Kyoto protocol.
