Whistles

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Patents Grantslast 30 patents

Information Patent Grant
Bottle that can transform into a whistle
- Patent number 8,136,684
- Issue date Mar 20, 2012
- Antoine Becotte
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Jigsaw puzzle toy using blocks
- Patent number 5,190,287
- Issue date Mar 2, 1993
- Kabushiki Kaisha Gakushu Kenkyusha
- Shozo Ishiyama
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Whistle-cap device
- Patent number 4,121,375
- Issue date Oct 24, 1978
- Wallace A. Erickson & Company
- Wallace A. Erickson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
3495701
- Patent number 3,495,701
- Issue date Feb 17, 1970
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
3495700
- Patent number 3,495,700
- Issue date Feb 17, 1970
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
1522189
- Patent number 1,522,189
- Issue date Jan 6, 1925
- A63 - SPORTS GAMES AMUSEMENTS