National Treasure #145: Theodore Witte

Who? The inventor of the caulking gun, that’s who. In 1894, that’s when.

Drawings from 1894 patent application for sealant gun.

Depending on your work, this invention – or the various iterations and improvements over the years (see one example here) – might be a wonderful or an irrelevant thing.

But if your day-to-day work or your occasional home repairs have ever called for caulking, you should bless the name of Theodore Witte, even though I find no evidence that he ever did anything else of particular note or ingenuity. Like many other inventors, Canadian and otherwise, he toiled in relative obscurity but we are the better for that toil.


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4 Responses to National Treasure #145: Theodore Witte

  1. Jim Taylor says:

    Is the caulking gun related to the grease gun? Remarkably similar principle of operation.
    Jim T

  2. Ian Hepher says:

    There is a new version of this useful implement, one that doesn’t keep squeezing goop out when you release the trigger.

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