Wheeled Suitcase Patent. in connection with the small diameter of the guide rollers, the suitcase has a strong tendency to tilt, even in the case of a. in 1970, bernard d. sadow's patent, as you might have guessed, was the crucial innovation of the wheeled suitcase. Sadow applied for in 1970 and received in 1972, noted that people were dealing with. this invention is also applicable to luggage known as gar ment carriers or garment bags, i.e., luggage in which clothes are. the patent for the wheeled suitcase, patent no. In 1987, robert plath updated sadow’s design by placing the suitcase vertically, attaching two wheels and building a retractable handle. In 1972, sadow patented his invention as the rolling luggage. one of the earliest of these patents was filed by the splendidly named saviour mastrontonio of new york, whose. the present invention is a wheeled suitcase that includes a suitcase body, a base, an elongated track, a handle, and a. 3,653,474 for “rolling luggage” was granted in 1972 to bernard sadow, who was the owner of the. the patent, which mr. Sadow innovated a traditional suitcase on wheels attached to a long strap. 1970 may seem remarkably recent for such a useful development. (a wheeled trunk was patented in.
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one of the earliest of these patents was filed by the splendidly named saviour mastrontonio of new york, whose. in connection with the small diameter of the guide rollers, the suitcase has a strong tendency to tilt, even in the case of a. the present invention is a wheeled suitcase that includes a suitcase body, a base, an elongated track, a handle, and a. sadow's patent, as you might have guessed, was the crucial innovation of the wheeled suitcase. Sadow innovated a traditional suitcase on wheels attached to a long strap. 1970 may seem remarkably recent for such a useful development. 3,653,474 for “rolling luggage” was granted in 1972 to bernard sadow, who was the owner of the. In 1972, sadow patented his invention as the rolling luggage. Sadow applied for in 1970 and received in 1972, noted that people were dealing with. (a wheeled trunk was patented in.
Patent US4575109 Luggage case with retractable wheels Google Patents
Wheeled Suitcase Patent Sadow innovated a traditional suitcase on wheels attached to a long strap. in connection with the small diameter of the guide rollers, the suitcase has a strong tendency to tilt, even in the case of a. in 1970, bernard d. 1970 may seem remarkably recent for such a useful development. the patent, which mr. (a wheeled trunk was patented in. sadow's patent, as you might have guessed, was the crucial innovation of the wheeled suitcase. the present invention is a wheeled suitcase that includes a suitcase body, a base, an elongated track, a handle, and a. Sadow applied for in 1970 and received in 1972, noted that people were dealing with. the patent for the wheeled suitcase, patent no. this invention is also applicable to luggage known as gar ment carriers or garment bags, i.e., luggage in which clothes are. 3,653,474 for “rolling luggage” was granted in 1972 to bernard sadow, who was the owner of the. In 1972, sadow patented his invention as the rolling luggage. one of the earliest of these patents was filed by the splendidly named saviour mastrontonio of new york, whose. Sadow innovated a traditional suitcase on wheels attached to a long strap. In 1987, robert plath updated sadow’s design by placing the suitcase vertically, attaching two wheels and building a retractable handle.
