Walter Hellmann — 4 Patents at Rohm Co.

Walter Hellmann has been granted 4 US patents while listed as an inventor at Rohm Co.. The first was granted in 1984 and the most recent in April 1990. Walter Hellmann ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Walter Hellmann in Roßdorf, DE.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4917754	Method for coating a solid closed surface	Heinz Vetter, Otmar Krajec	1990-04-17
4664672	Transfer printing process for solid objects employing high-pressure gas	Otmar Krajec	1987-05-12
4515648	Method of making a gastight multiple-walled plastic panel	Klaus Kolbe, Otmar Krajec, Hartmut Schikowsky, Heinz Vetter	1985-05-07
4483814	Method and apparatus for forming stretched resin sheet	Otmar Krajec	1984-11-20

Walter Hellmann — 4 Patents

Issued Patents All Time

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