John R. Ward

Follow

Person

Stanardsville, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Terminal trainer keyboard and display apparatus for teaching keyboa...
- Patent number 4,378,217
- Issue date Mar 29, 1983
- Training Associates, Inc.
- Marlin V. Wilson
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Scheme training apparatus for teaching mail sorting and the like
- Patent number 4,205,462
- Issue date Jun 3, 1980
- Training Associates, Inc.
- Marlin Van Wilson
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS