Patent for sound generating device
Search for similar patents like the patent for the invention of a sound generating device. This device was patented in 1975.The Patent Rank Promise
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Easily access free patent information, as well as additional paid-for information, in the ultimate patent data dashboard by searching by the patent number! This is a patent for a: Systems and methods for a scanning boom microscopePatent for toy airplane launcher
This patent was for the invention of a toy airplane launcher. Patent number 3,902,271 was patented in 1975 for this toy.Patent for adjustable chair
Patent number 3,902,754 patented the idea of an upholstered chair with adjustable seat and back supports. This invention was patented in September of 1975.