David B. Schaefer

Follow

Person

Apalachin, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Band line printer with grooved platen
- Patent number 5,315,928
- Issue date May 31, 1994
- International Business Machines Corporation
- D. Michael Bocinski
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS