Durham S. McCauley

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Boston, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Shrouded jam locknut
- Patent number 5,071,300
- Issue date Dec 10, 1991
- McGard, Inc.
- Durham S. McCauley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe plug and centering construction for centering ridged key in ma...
- Patent number 5,062,325
- Issue date Nov 5, 1991
- McGard, Inc.
- Durham S. McCauley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Tamperproof construction for hydrant actuating nut
- Patent number 4,936,336
- Issue date Jun 26, 1990
- McGard, Inc.
- Durham S. McCauley
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Manhole cover locking bolt construction
- Patent number 4,723,866
- Issue date Feb 9, 1988
- McGard, Inc.
- Durham S. McCauley
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Pipe plug and centering construction for centering ridged key in ma...
- Patent number 4,712,586
- Issue date Dec 15, 1987
- McGard, Inc.
- Durham S. McCauley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Tamper-proof bolt and tamper-proof bolt-key combination
- Patent number 4,686,874
- Issue date Aug 18, 1987
- McGard, Inc.
- Durham S. McCauley
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS