WA

Wolfgang Althaus

WL Wilkinson Sword Limited: 23 patents #1 of 52Top 2%
WC Warner-Lambert Company: 10 patents #139 of 1,610Top 9%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Wuppertal, CT: #2 of 13 inventorsTop 20%
Overall (All Time): #91,062 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
5070613 Razor head, especially razor blade unit of a wet safety razor Dave Coffin 1991-12-10
5063668 Razor head, especially razor blade unit, of a wet razor 1991-11-12
5063669 Razor head, especially razor blade unit, of a wet razor 1991-11-12
5060377 Shaver head with flow passages Michael Schwarz 1991-10-29
5033152 Wet razor 1991-07-23
5031319 Wet razor Kenneth Grange 1991-07-16
5029391 Pivot-head razor Dave Coffin 1991-07-09
5001832 Razor blade unit 1991-03-26
4970784 Razor with a pivoted detachable blade unit Michael Schwarz 1990-11-20
4916814 Wet-shave razor 1990-04-17
4612705 Open razor 1986-09-23
4601392 Safety razors and travel caps therefor 1986-07-22