Paiste Patents

Sound Edge Hi-Hat

Country	Code	Patent #	Year
Switzerland	CH	475 622	?
Great Britain	GB	1 124 438	?
Italy	IT	821 204	?
USA	US	3 453 923	?
Germany	DE	1 597 032	?
USSR	SU	262 7562	?

Year	Stamp	Countries
1974	(2002 15" Sound Edge Hi-Hat)	CH, GB, IT, US, DE, SU Other Pending
1983	(Formula 602 14" Sound Edge Hi-Hat)	CH, GB, IT, US, DE, SU

Flatride

Country	Code	Patent #	Year
Switzerland	CH	465 370	?
Canada	CA	880 436	1971
USA	US	3 546 994	?

Year	Stamp	Countries
1973	(Formula 602 18" Flatride Medium)	CA, CH, US Other Pending
1981	(2002 20" Flatride)	CA, CH, US
1985	(Sound Creation 22" Dark Flatride)	CA, CH, US