Ralph E. Warmack

Follow

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wide format thermal recording device
- Patent number 5,028,935
- Issue date Jul 2, 1991
- Calcomp Group, Sanders Associates, Inc.
- Ralph E. Warmack
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS