Rockin’ Patent – Samuel V. Lippman’s “Musical Toy”
Rockin’ Patent: US Patent No. 2,508,831 Filed: 6 May 1947 In the name of: Samuel V. Lippman Title: Musical Toy What’s claimed: “An air-trapping, compressing and air expelling device for projecting and directing air streams into a user’s open mouth comprising, in combination, a unit in the form of a hand-sized concavo-convex body, said body having a marginally arranged restricted air discharge orifice, and an air-trapping cover unit including a compressing and expelling member of such a size and shape that its marginal edge portions make air-tight contact with corresponding marginal edge portions of said body when superposed upon the concave side thereof so […]
