Manfred Gruner — 8 Patents at Mannesmann Ag

Manfred Gruner has been granted 8 US patents while listed as an inventor at Mannesmann Ag. The first was granted in 1983 and the most recent in August 2001. Manfred Gruner ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Manfred Gruner in Ulm, DE.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
6273548	Method and circuit for controlling nozzle heads in inkjet printers, in particular nozzle heads of piezoelectric device type	Berthold Low	2001-08-14
5065341	Printer for a computer	Heiko Kunze	1991-11-12
5042375	Device for temperature control of a print head or of a hammer block including an electromagnetic coil	Christian Vogelmann	1991-08-27
5032031	Drive circuit for a matrix printer	Bernd Gugel, Johann Stempfle	1991-07-16
4989116	Chopper circuit for driving electromagnet and/or step motor coils such as employed in a matrix printer	Franz Riedl	1991-01-29
4701685	Controlling a d.c. motor	—	1987-10-20
4485425	Drive circuit for printer, particularly, matrix printer of the needle or hammer variety	Bernd Gugel	1984-11-27
4395148	Positioning of a multicolor ribbon	Wolfgang Hendrischk	1983-07-26

Manfred Gruner — 8 Patents

Issued Patents All Time

Patent Widget