IP Library › Granted Patent US 4,334,382
Granted Patent Utility
US 4,334,382 · App. 06/145,168

Infant development ring toy

Inventors: Richard A. Chase, Danny E. Simpson, David M. Williams
Patented Case View Patent ↗
Granted: Jun 15, 1982 Filed: Apr 30, 1980
Inventors
Richard A. Chase
Danny E. Simpson
David M. Williams
Assignee (at issue)
Johnson & Johnson Baby Products Company

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Quick Facts
Patent No.
US 4,334,382
App. No.
06/145,168
Filed
1980-04-30
Granted
1982-06-15
Kind
A