John Leslie Johnson

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Morrisville, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Air gun
- Patent number 4,128,209
- Issue date Dec 5, 1978
- Scovill Manufacturing Company
- John L. Johnson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Muffler
- Patent number 3,957,133
- Issue date May 18, 1976
- Scovill Manufacturing Company
- John Leslie Johnson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES