does not cite any sources . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . september 2016 learn how and when to remove this template message toilet stall shelf manufactured by nik o lok . the nik o lok company is a company founded in 1910 with headquarters in indianapolis indiana that manufactures and leases door locks for pay toilets along with other types of equipment for public bathrooms . locks are designed that can be operated by manufacturer supplied tokens or by quarters . external links edit official website this indiana related article is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title nik o lok company & oldid 742994581 categories locks security device manufacturing companies based in indianapolis indianamanufacturing companies established in 1910american companies established in 1910indiana stubshidden categories articles lacking sources from september 2016all articles lacking sourcesall stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 7 october 2016 at 03 22 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view