Vintage PLVMB 7-Pc. 12-Pt. Combination Wrench Set USA🇺🇸 - $80 (Castle Rock)

Vintage PLVMB 7-Pc. 12-Pt. Combination Wrench Set USA🇺🇸 1 thumbnailVintage PLVMB 7-Pc. 12-Pt. Combination Wrench Set USA🇺🇸 2 thumbnail
I have a vintage (pre-1948) PLVMB 1200 Series, 7-piece, 12-point combination wrench set that is in excellent condition, including no personal markings. Sizes include: 3/4", 13/16", 7/8, 15/16", 1", 1-1/16" and 1-1/8". $80

**Historical reference below edited in part from Garage Journal.**

The Plomb Tool Company had its beginning in 1907 as a small blacksmith shop in Los Angeles, operated by partners Charles Williams, Jacob Weninger, and Alphonse Plomb. Its earliest tools included items such as hand-forged chisels and punches, intended primarily for the plumbing and building trades. Relatively little is known of this phase of Plomb's history, as the type of tools produced tended to wear out with use, and may not have been even marked for identification. By 1920 the partnership was doing business as the Plomb Tool Manufacturing Company and made an important decision to purchase a factory at 2209 Santa Fe Avenue, the site it would occupy for many decades.

By the late 1920s the company was advertising in some of the popular periodicals of the time, probably in order to broaden its customer base. Interestingly, a 1928 ad showed the Plomb name with an inverted triangle, at a time several years before this "PLVMB" logo began to be used on tools.

In 1934 Plomb started using a stylized inverted triangle for the "O" in "PLOMB", so that it looks more like "PLVMB" at first glance. The tools were still marked with "Los Angeles". In 1939 Plomb dropped the "Los Angeles" marking in favor of "Made in U.S.A." on its tools, so we'll call this the USA Period. Plomb continued to use the inverted triangle "PLVMB" logo for the company name.

In 1946 Plomb ran into an odd problem: it was sued for trademark infringement by Fayette R. Plumb, Inc., a company making hammers and other striking tools. According to an article in the December 6, 1948 issue of Time magazine, the roots of the dispute went back to 1926, when Plumb objected to an attempt to register Plomb as a trademark. Apparently the companies negotiated an agreement at the earlier time, but later actions by Plomb were deemed to violate the terms.

As a result of this trademark dispute, Plomb was required to change the brand name marked on their tools, and chose "PROTO" (from "PROfessional TOols") as the new name. In 1948 Plomb started marking tools with the "PROTO" mark (this time making sure to register the trademark), and by 1950 the Plomb name had disappeared from its tools.

Although this forced name change may have been a nuisance at the time, the company itself was largely unaffected. Plomb continued operating as the Plomb Tool Company for a number of years after 1950, making the same tool models to the same specifications as it had before, but now marked "Proto Los Angeles".

In 1984 Proto Tools was purchased from Ingersoll-Rand by The Stanley Works. The successor to Plomb Tools operates today as the Proto Industrial Tools Division of Stanley.


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