David A. Scher

Person

Groveland, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of silk-screens for use in printing hal...
- Patent number 5,867,882
- Issue date Feb 9, 1999
- Autoroll Machine Company, LLC
- William M. Karlyn
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for providing the mesh of a silk screen at an angle for mini...
- Patent number 5,842,413
- Issue date Dec 1, 1998
- Autoroll Machine Company, LLC
- William M. Karlyn
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of manufacturing a plurality of annular shaped silk screen m...
- Patent number 5,752,441
- Issue date May 19, 1998
- Autorohl Machine Company, LLC.
- William M. Karlyn
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus for simultaneously manufacturing multiple annular shaped...
- Patent number 5,740,732
- Issue date Apr 21, 1998
- Autoroll Machine Company, LLC
- William M. Karlyn
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Annular shaped silk screen member for silk screen printing halftones
- Patent number 5,732,624
- Issue date Mar 31, 1998
- Autoroll Machine Company, LLC
- William M. Karlyn
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process and apparatus for simultaneously preparing a plurality of s...
- Patent number 5,562,030
- Issue date Oct 8, 1996
- Autoroll Machine Corporation
- William M. Karlyn
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

David A. Scher

Person

Patents Grantslast 30 patents

Process for the preparation of silk-screens for use in printing hal...

Method for providing the mesh of a silk screen at an angle for mini...

Method of manufacturing a plurality of annular shaped silk screen m...

Apparatus for simultaneously manufacturing multiple annular shaped...

Annular shaped silk screen member for silk screen printing halftones

Process and apparatus for simultaneously preparing a plurality of s...