David C. Boyer

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Millersburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable handle assembly
- Patent number 5,898,974
- Issue date May 4, 1999
- Alvord-Polk, Inc.
- David C. Boyer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hand lever assembly
- Patent number 5,533,232
- Issue date Jul 9, 1996
- Alvord-Polk, Inc.
- David C. Boyer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS