William Wiegand discerned the influence of different fillers such as carbon black, heavy spar and chalk on the strength of rubber. Thanks to his research, tires now last five times as long as they did before.
Onward Manufacturing Company
Onward has changed its production over time to meet demand, making everything from fountain pens to barbecues.
Patents for barn frames that allowed maximum storage space by eliminating long expensive timbers across the interior of the barn.
Wil-Tel Automatic Oil Signal
In 1924, Kitchener’s own Wilfrid H. Schlee invented the signal light on a car’s instrument panel that warns a driver of low oil pressure.