Yes. I doubt if Winchester ever produced a firearm without the company name or at least the WRA emblem prominently displayed.
Slight correction to my previous answer. Winchester manufactured shotguns and a few rifles for Sears Roebuck and these will not carry the company name or trademark. However, even if produced BY Winchester as an exact copy of a company model, they are NOT Winchesters.
The name Winchester is often stamped just to the right of the rear sight. -j.
On 1894 and 94 rifles made before WWII, the name WINCHESTER is stamped on the upper stock tang. On post-war guns, it is on the left side of the barrel, below the rear sight.