https://theweekendhistorian.com/allis-chalmers-patent-gallery/ The patent archive has been updated and contains many more entries. This list of patents assigned to Allis-Chalmers will continue to grow as I work to search and compile these records.
Tag: Patent
Allis-Chalmers Patent Archive
-New Page - I am starting a BIG project that involves researching, sorting, and cataloging Allis-Chalmers patents. Most of these documents are already online, but it takes some intense searching to find them. It is not as easy as typing in "Roto-Baler" and having all of those patents appear. There are a lot of great… Continue reading Allis-Chalmers Patent Archive
The Weekend Historian 