Richard H. Hammar

Person

Utica, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of making positive battery paste
- Patent number 4,881,944
- Issue date Nov 21, 1989
- General Motors Corporation
- Richard H. Hammar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a negative lead-acid storage battery plate
- Patent number 4,342,343
- Issue date Aug 3, 1982
- General Motors Corporation
- Robert E. Clague
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery cell and electrolyte circulation pump
- Patent number 4,308,322
- Issue date Dec 29, 1981
- General Motors Corporation
- Richard H. Hammar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lightweight laminated grid for lead acid-storage batteries
- Patent number 4,286,362
- Issue date Sep 1, 1981
- General Motors Corporation
- Richard H. Hammar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lightweight laminated grid for lead-acid storage batteries
- Patent number 4,221,854
- Issue date Sep 9, 1980
- General Motors Corporation
- Richard H. Hammar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lead-acid storage battery having Pb-Cd-Zn-Sn plate straps
- Patent number 4,169,192
- Issue date Sep 25, 1979
- General Motors Corporation
- Robert E. Clague
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antimony plating of lead-acid storage batteries grids
- Patent number 3,933,524
- Issue date Jan 20, 1976
- General Motors Corporation
- Thomas J. Hughel
- H01 - BASIC ELECTRIC ELEMENTS

Richard H. Hammar

Person

Patents Grantslast 30 patents

Method of making positive battery paste

Method of making a negative lead-acid storage battery plate

Battery cell and electrolyte circulation pump

Lightweight laminated grid for lead acid-storage batteries

Lightweight laminated grid for lead-acid storage batteries

Lead-acid storage battery having Pb-Cd-Zn-Sn plate straps

Antimony plating of lead-acid storage batteries grids