HB

Hans-Dieter Bartholoma

US Union Special: 3 patents #14 of 105Top 15%
📍 Echterdingen, DE: #178 of 558 inventorsTop 35%
Overall (All Time): #1,633,468 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5899156 Thread control device for a chainstitch sewing machine Dieter Schopf 1999-05-04
5537943 Sewing machine presser device, with chaining-off foot Milan Petrovic, Gernot Nedoschinsky, Johannes Strauss 1996-07-23
5445091 Looper for a single-thread chainstitch sewing machine 1995-08-29