No idea about the company, but one advertised claim to fame was that Bobet rode to victory on the TdF in 53' on 'Prior' pedals, freewheels and BB axles (official)!.
Bob.
> From: Scott Goldstein <sgpnet@earthlink.net>
> Date: Wed, 08 Aug 2001 13:56:41 -0700
> To: "classicrendezvous-bikelist.org" <classicrendezvous@bikelist.org>
> Subject: [CR]Help in Identifying Track Hub
>
> Just got an old track bike with vintage hubs.
>
> The rear hub is amazingly large with an id i can't make out.
>
> The name is in a diamond shaped out line. I think it reads "Prior" or
> "Priur". Anyway, please take a look at the two pictures posted and give
> some clues. Many thanks in advance.
>
> http://www2.sendpix.com/
>
>
> scott
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.268 / Virus Database: 140 - Release Date: 8/7/2001