1
Theodore J Hasler, James G Hansen, John B King III: Tool bit storage case. Black & Decker, Harness Dickey & Pierce, October 8, 1996: US05562208 (81 worldwide citation)

A tool bit storage case includes a front cover preferably hingedly interconnected with a back cover, with the covers being selectively separable and movable toward and away from each other between open and closed positions and together defining a generally hollow storage chamber therebetween. A remo ...


2
Gary Mascaro: Rotary tool bit storage case. Luedeka Neely & Graham P C, June 24, 1997: US05641066 (15 worldwide citation)

A rotary tool bit case suitable for both transport and storage of a multiplicity of such bits in a plurality of shank sizes without disorganization by inversion or vibration includes a double-wall molded thermoplastic casement base and hinged cover with a thick, shank aperture plate removably secure ...