Donald Firth

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Glasgow, SC

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Patents Grantslast 30 patents

Information Patent Grant
Low-stress cam-driven piston machines
- Patent number 4,048,906
- Issue date Sep 20, 1977
- National Research Development Corporation
- Donald Firth
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Reciprocatable devices
- Patent number 3,971,217
- Issue date Jul 27, 1976
- The Secretary of State for Trade and Industry in Her Britannic Majesty's Gove...
- Donald Firth
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING