patron

/patron/

Cases

SingularPluralWhen to use it
nominativepatronthe cartridgepatronlathe cartridgesthe plain dictionary form — the doer of the sentence
genitivepatronnuthe cartridge'spatronlanıthe cartridges'the owner — whose it is
accusativepatronnuthe cartridge (as the object)patronlanıthe cartridges (as the object)a specific, known object — whom or what
dativepatrongato the cartridgepatronlağato the cartridgesdirection or recipient — to where, to whom
locativepatrondaat / in the cartridgepatronladaat / in the cartridgeswhere it is; also having — mende bar, "I have it"
ablativepatrondanfrom the cartridgepatronladanfrom the cartridgeswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
mypatronummy cartridgepatronlarımmy cartridges
yourpatronungyour cartridgepatronlarıngyour cartridges
his / herpatronuhis / her cartridgepatronlarıhis / her cartridges
ourpatronubuzour cartridgepatronlarıbızour cartridges
you all'spatronuğuzyou all's cartridgepatronlarığızyou all's cartridges
theirpatronlarıtheir cartridgepatronlarıtheir cartridges

The overlap in the last rows is real, not a mistake: patronları can mean "his / her cartridges", "their cartridge", or "their cartridges" — context decides.