Robert G. Scheffler

Person

Wheaton, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multiple user recording system
- Patent number 6,263,154
- Issue date Jul 17, 2001
- Broadbus Technologies, Inc.
- Robert G. Scheffler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for custom recording
- Patent number 5,900,830
- Issue date May 4, 1999
- Magic Music Cassette Co., Inc.
- Robert G. Scheffler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed recorded information duplicating equipment
- Patent number 5,502,601
- Issue date Mar 26, 1996
- Magic Music Cassette Company
- Robert G. Scheffler
- G11 - INFORMATION STORAGE
Information Patent Grant
System for recording custom albums from a library of pre-recorded i...
- Patent number 5,418,654
- Issue date May 23, 1995
- Magic Music Cassette Company
- Robert G. Scheffler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed recorded information duplicating equipment
- Patent number 5,365,381
- Issue date Nov 15, 1994
- Magic Music Cassette Company
- Robert G. Scheffler
- G11 - INFORMATION STORAGE
Information Patent Grant
High speed tape duplicating equipment
- Patent number 5,233,477
- Issue date Aug 3, 1993
- Duplitronics, Inc.
- Robert G. Scheffler
- G11 - INFORMATION STORAGE
Information Patent Grant
System for recording custom albums from a library of pre-recorded i...
- Patent number 5,041,921
- Issue date Aug 20, 1991
- Duplitronics, Inc.
- Robert G. Scheffler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed tape duplicating machine
- Patent number 5,021,893
- Issue date Jun 4, 1991
- Duplitronics, Inc.
- Robert G. Scheffler
- G11 - INFORMATION STORAGE

Robert G. Scheffler

Person

Patents Grantslast 30 patents

Multiple user recording system

System for custom recording

High speed recorded information duplicating equipment

System for recording custom albums from a library of pre-recorded i...

High speed recorded information duplicating equipment

High speed tape duplicating equipment

System for recording custom albums from a library of pre-recorded i...

High speed tape duplicating machine