Heinrich S. Erhardt

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Warminster, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Item endorsing apparatus
- Patent number 4,178,847
- Issue date Dec 18, 1979
- Burroughs Corporation
- Heinrich S. Erhardt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
High frequency power integrating printer
- Patent number 3,998,153
- Issue date Dec 21, 1976
- Sperry Rand Corporation
- Heinrich S. Erhardt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS