Meanwhile (1929-1930), the Gillette Safety Razor Company was working on a similar razor and blade combination.
The old three-hole blades would not fit in the new NEW GILLETTE, but the new, patented, slotted blade would still work in all the old Gillette razors.
Blades that were sold in the traditional packages in the early 1950s may or may not have had the arrows.
In the mid-60s competition from Wilkinson Sword of England forced Gille Although his name never became a household word as did King C. (for Jacques) Gaisman also was a pioneer safety razor inventor and entrepreneur.
Around 1948 Blue Blades began to be packaged in double-ended plastic dispensers.