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Schittenhelm; Hans-Joachim Patent Filings

Schittenhelm; Hans-Joachim

Patent Applications and Registrations

Patent applications and USPTO patent grants for Schittenhelm; Hans-Joachim.The latest application filed is for "enamel frits for sheet steel with improved bonding".

Company Profile
0.2.0
  • Schittenhelm; Hans-Joachim - Leverkusen DE
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Enamel frits for sheet steel with improved bonding
Grant 4,847,218 - Schittenhelm , et al. July 11, 1
1989-07-11
Heating element combined glass/enamel overcoat
Grant 4,713,530 - Schittenhelm , et al. December 15, 1
1987-12-15

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