William Knight in Cicero, IL assigned to the Roth Rubber Co. 1-26-32
https://patents.google.com/patent/US1842528A/en

[Linked Image from photos.smugmug.com]

The patent # is on the Jostam No Kick Coming

[Linked Image from photos.smugmug.com]

Maybe Roth Rubber Co. was the actual manufacturer for the Jostam pads?

Another 5-31-32 by Roth Rubber Co.
https://patents.google.com/patent/US1861234A/en

The old plant in Cicero is an Asbestos Mesothelioma Exposure Site