DB

Dietrich J. Bahr

IBM: 4 patents #9 of 788Top 2%
Overall (1982): #2,418 of 81,411Top 3%
4
Patents 1982

Issued Patents 1982

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4362843 Process for producing a polymerized, heat-resistant lacquer Marian Briska, Klaus Schackert 1982-12-07
4359484 Process for reducing traces of abrasion or scratches on the surface of a record carrier Marian Briska 1982-11-16
4339477 Process for preparing a pigmented lacquer Marian Briska 1982-07-13
4320330 Apparatus and method for determining step motor drive pulse timing by rotor displacement Karl H. Burckardt 1982-03-16