Bruce P. Piggin

Follow

Person

Sherfield English, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Multiple electron beam cathode ray tube
- Patent number 4,361,781
- Issue date Nov 30, 1982
- International Business Machines Corporation
- Steven W. Depp
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multiple beam cathode ray tube with apertured cathode and control grid
- Patent number 4,301,389
- Issue date Nov 17, 1981
- International Business Machines Corp.
- Vernon D. Beck
- H01 - BASIC ELECTRIC ELEMENTS