Otto Mutschler

Person

D-6900 Heidelberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Ink duct for tubular styluses
- Patent number 4,728,214
- Issue date Mar 1, 1988
- Otto Mutschler
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing implement venting system
- Patent number 4,645,367
- Issue date Feb 24, 1987
- Otto Mutschler
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Releasable protective holder for a writing implement
- Patent number 4,493,575
- Issue date Jan 15, 1985
- Otto Mutschler
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Ink writing implement
- Patent number 4,461,591
- Issue date Jul 24, 1984
- Otto Mutschler
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
India ink drawing implement
- Patent number 4,390,299
- Issue date Jun 28, 1983
- Otto Mutschler
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Stand for holding and sealingly retaining India ink drawing implements
- Patent number 4,355,726
- Issue date Oct 26, 1982
- Otto Mutschler
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Stand for holding and sealingly retaining India ink drawing implements
- Patent number 4,334,622
- Issue date Jun 15, 1982
- Otto Mutschler
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Fountain pen with improved ink flow control
- Patent number 4,239,408
- Issue date Dec 16, 1980
- Otto Mutschler
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Otto Mutschler

Person

Patents Grantslast 30 patents

Ink duct for tubular styluses

Writing implement venting system

Releasable protective holder for a writing implement

Ink writing implement

India ink drawing implement

Stand for holding and sealingly retaining India ink drawing implements

Stand for holding and sealingly retaining India ink drawing implements

Fountain pen with improved ink flow control