Of Dentures and Rubber Stamps

Rubber stamps have an interesting history for thosesuch geneses could even stretch back to Mayan
who don't know that they might have been inspired bycivilization! The version just presented here is among
dentures. Yes, it's true: dental dentures! But first off,the most widely accepted ones for those marking
Charles Goodyear had to discover the secret todevices which we today would most immediately
vulcanization. This is the process of "curing" rubberrecognize as being rubber stamps.
such that it can be molded as needed. BeforeAnother very popular and widely accepted contender
Goodyear's discovery, rubber -- in its natural state --for the title of Inventor of The Rubber Stamp was L.F.
was not very practical to work with. It is sticky butWitherell, who went so far as to compose a
would not stay set in any one particular shape. Withdocument with the name of "How I Came to Discover
vulcanization, rubber, once cooled, would hold thethe Rubber Stamp". He claimed to have gotten
shape in which it had been molded.inspiration from his time as a foreman at a
Many applications were thus found for rubber (poormanufacturing facility of wooden pumps. Apparently,
Mr. Goodyear, incidentally, did not benefit financiallythere was an identification marking problem of some
from his invention, however, though he was publiclykind where the paint would run, creating blotches on
recognized by the Emperor of France and decoratedthese pumps. Witherell hit upon the idea of creating
with highly prestigious medals). One of these wasstencils out of thin sheets of rubber packing. But while
dentures. Rubber was found to be a most welcomemaking the stencil, he thought to simply create thick
replacement for the dentures of that era, which wereletters out of the rubber, then gluing them to a backing
often made out of metal or even wood! Dentists wereof wood, with which he could make repeated
making their own dentures, and one of these dentists, itimpressions of his own initials.
eventually turned out, had a curious nephew whoThe candidate considered least likely to be the inventor
started manufacturing rubber stamps for the U.S.of rubber stamps, Henry C. Leland, was actually
Postal Service. This nephew, James Woodruff, ischampioned, ironically, at the time by no other than in
credited with inventing the quality rubber stamp wean issue of the "Stamp Trade News" from a
have come to know. There are numerous, in fact,manufacturer of rubber stamps. But no matter the
numerous origins claimed of rubber stamps, andactual origins, there is no doubt that the rubber stamp
depending on how a rubber stamp is to be defineditself has made quite an impression on history.