-
Deutsches Reichspatent no. 281687 (4 July 1913),
Journal of the
Society of
Chemical Industry (London), vol. 34, p. 623 (1915);
Deutsches Reichspatent no. 281688...
- The
German Patent and
Trade Mark
Office (German:
Deutsches Patent- und Markenamt; abbreviation: DPMA) is the
German national patent office, with headquarters...
- coffee] (in German). Berlin, Germany:
Deutsches Reichspatentamt.
Deutsches Reichspatent No. 530113.
class 34-l
Group 7.
Retrieved 2024-01-16. [9] (3 pages) Büttner...
- sieves] (in German). Berlin, Germany:
Kaiserliches Patentamt.
Deutsches Reichspatent No. 3105.
class 80: Thon- und Steinwaaren-Industrie.
Retrieved 2024-01-13...
- German). 22
December 2014.
Archived from the
original on 2
January 2017. "
Reichspatent 37435 patent" (PDF). home.arcor.de (in German).
Archived from the original...
- Sons, Inc. p. 141. ISBN 0-471-29198-6. Kerner, Hans K. (2007). "22244
Reichspatent".
Lexikon der Reprotechnik. Vol. 2.
Reinhard Welz
Vermittler Verlag e...
- be
named "tri-cycloacetone peroxide".)
Wolfenstein R (1895)
Deutsches Reichspatent 84,953 Matyáš R,
Pachman J (2013).
Primary Explosives. Berlin: Springer...
- Schirach, "Kreiselapparat"[permanent dead link] (Gyroscope)
Deutsches Reichspatent no. 182855 (filed: 27
March 1904; issued: 2
April 1907). MacKenzie, Donald...
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Books excerpt). CRC Press. p. 383. ISBN 978-0-8493-9683-0.
Deutsches Reichspatent 81,664 (1894) Thieme,
Bruno "Process of
making nitropentaerythrit," Archived...
-
Early Leica cameras bear the
initials D.R.P.,
which stands for
Deutsches Reichspatent, the name for
German patents before May 1945. This is
probably a reference...
