John E. McDaniel

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Fairburn, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Writing nib structure and method of manufacture
- Patent number 4,043,682
- Issue date Aug 23, 1977
- Glasrock Products, Inc.
- John E. McDaniel
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing nib structure and method of manufacture
- Patent number 4,037,976
- Issue date Jul 26, 1977
- Glasrock Products, Inc.
- John E. McDaniel
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Unitary porous themoplastic writing nib
- Patent number 3,942,903
- Issue date Mar 9, 1976
- Glasrock Products, Inc.
- Clarence A. Dickey
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES