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USPTO Data Jan 1 1976 - Dec 16 2025
2 Patents
#555 in Toronto
#5,835 in Canada
Keilhauer Ltd.
Forward Citations = 10
4 inventors:
Keilhauer Ltd.
CIPO Patents = 1
Trademarks = 39
Forward Citations = 10
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4 inventors (with patents filed for the assignee):
Steve Keilhauer (2 out of 4 patents)
Martin Bergmann (1 out of 35 patents)
Gernot Bohmann (1 out of 28 patents)
4. Harald Gründl (1 out of 14 patents)
5. Helen Elizabeth Kerr (34 patents)
2 patents:
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1 patent (CIPO):
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