Douglas J. Roberts

Person

Ellington, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Device for retaining abrasive pad on lap in eyeglass lens making ap...
- Patent number 6,645,059
- Issue date Nov 11, 2003
- Gerber Coburn Optical Inc.
- Douglas J. Roberts
- B24 - GRINDING POLISHING
Information Patent Grant
Device for retaining abrasive pad on lap in eyeglass lens making ap...
- Patent number 6,561,886
- Issue date May 13, 2003
- Gerber Coburn Optical Inc.
- Douglas J. Roberts
- B24 - GRINDING POLISHING
Information Patent Grant
Device for retaining abrasive pad on lap in eyeglass lens making ap...
- Patent number 6,464,559
- Issue date Oct 15, 2002
- Gerber Coburn Optical Inc.
- Douglas J. Roberts
- B24 - GRINDING POLISHING
Information Patent Grant
I.S. machine
- Patent number 5,974,835
- Issue date Nov 2, 1999
- Emhart Glass S.A.
- Walter E. Lovell
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Mold opening and closing mechanism for an I.S. machine
- Patent number 5,958,101
- Issue date Sep 28, 1999
- Emhart Glass S.A.
- Steven J. Pinkerton
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
I.S. machine
- Patent number 5,938,809
- Issue date Aug 17, 1999
- Emhart Glass S.A.
- John P. Mungovan
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Mold opening and closing mechanism for an I S machine
- Patent number 5,902,370
- Issue date May 11, 1999
- Emhart Glass S.A.
- Walter E. Lovell
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Takeout mechanism for an I.S. machine
- Patent number 5,895,513
- Issue date Apr 20, 1999
- Emhart Glass Machinery Investments Inc.
- Michael P. Ciriello
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Mold opening and closing mechanism for an I. S. machine
- Patent number 5,891,209
- Issue date Apr 6, 1999
- Emhart Glass S.A.
- Walter E. Lovell
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Mold opening and closing mechanism for an I.S. machine
- Patent number 5,887,450
- Issue date Mar 30, 1999
- Emhart Glass S.A.
- Alexander H. Slocum
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
I.S. machine
- Patent number 5,876,476
- Issue date Mar 2, 1999
- Emhart Glass S.A.
- Joseph A. Borbone
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Mold carrier assembly for an I. S. machine mold opening and closing...
- Patent number 5,865,868
- Issue date Feb 2, 1999
- Emhart Glass Machinery Investments Inc.
- Alexander H. Slocum
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
I.S. machine
- Patent number 5,858,050
- Issue date Jan 12, 1999
- Emhart Glass S.A.
- Alexander H. Slocum
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
I S machine
- Patent number 5,833,731
- Issue date Nov 10, 1998
- Emhart Glass Machinery Investments Inc.
- John P. Mungovan
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
I.S. machine
- Patent number 5,833,732
- Issue date Nov 10, 1998
- Emhart Glass Machinery Investments Inc.
- Douglas J. Roberts
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Mold opening and closing mechanism for an I.S. machine
- Patent number 5,830,254
- Issue date Nov 3, 1998
- Emhart Glass Machinery Investments Inc.
- Douglas J. Roberts
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Pusher mechanism for I.S. glass forming machine
- Patent number 5,527,372
- Issue date Jun 18, 1996
- Emhart Glass Machinery Investments Inc.
- Gary R. Voisine
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Ware transfer mechanism
- Patent number 5,277,296
- Issue date Jan 11, 1994
- Emhart Glass Machinery Investments Inc.
- Douglas J. Roberts
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Device for retaining abrasive pad on lap in eyeglass lens making ap...
- Publication number 20010003086
- Publication date Jun 7, 2001
- Douglas J. Roberts
- B24 - GRINDING POLISHING
Information Patent Application
Device for retaining abrasive pad on lap in eyeglass lens making ap...
- Publication number 20010003083
- Publication date Jun 7, 2001
- Douglas J. Roberts
- B24 - GRINDING POLISHING

Douglas J. Roberts

Person

Patents Grantslast 30 patents

Device for retaining abrasive pad on lap in eyeglass lens making ap...

Device for retaining abrasive pad on lap in eyeglass lens making ap...

Device for retaining abrasive pad on lap in eyeglass lens making ap...

I.S. machine

Mold opening and closing mechanism for an I.S. machine

I.S. machine

Mold opening and closing mechanism for an I S machine

Takeout mechanism for an I.S. machine

Mold opening and closing mechanism for an I. S. machine

Mold opening and closing mechanism for an I.S. machine

I.S. machine

Mold carrier assembly for an I. S. machine mold opening and closing...

I.S. machine

I S machine

I.S. machine

Mold opening and closing mechanism for an I.S. machine

Pusher mechanism for I.S. glass forming machine

Ware transfer mechanism

Patents Applicationslast 30 patents

Device for retaining abrasive pad on lap in eyeglass lens making ap...

Device for retaining abrasive pad on lap in eyeglass lens making ap...