Here's a pack of Philips 50W Rough Service Lamps from the early 80's,ideal for use in trouble lights.
Voltage: 125V
Date: Mar. 1982
Filament: C-7A
Lamp shape: A19
Made in: Scarborough, Ontario Canada
Base: Medium E26 Aluminum
Yes they did, they came to Canada in '69 by buying Public Service Lamp Company. Norelco was Philips in the USA because they weren't allowed to use the Philips name due to copyright infringement with the old brand Philco which made TVs and electronics. I have a Philips bulb made in Canada from '76.