David P. Gregg

Person

Culver City, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical tape cartridge having improved tape movement mechanism
- Patent number 5,587,993
- Issue date Dec 24, 1996
- Discovision Associates
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical tape duplicator
- Patent number 5,563,867
- Issue date Oct 8, 1996
- Discovision Associates
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Shock-resistant, electrostatically actuated pick-up for optical rec...
- Patent number 5,521,452
- Issue date May 28, 1996
- Discovision Associates
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Null inflection detection and pulse expand latch in an optical reco...
- Patent number 5,504,732
- Issue date Apr 2, 1996
- Del Mar Avionics
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Shock-resistant, electrostatically actuated pick-up for optical rec...
- Patent number 5,485,437
- Issue date Jan 16, 1996
- Discovision Associates
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical tape cartridge
- Patent number 5,077,724
- Issue date Dec 31, 1991
- Del Mar Avionics
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a second surface optical storage device
- Patent number 5,017,414
- Issue date May 21, 1991
- Del Mar Avionics
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass based optical disc manufacturing process
- Patent number 5,002,622
- Issue date Mar 26, 1991
- Del Mar Avionics
- David P. Gregg
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical disk manufacturing process
- Patent number 4,964,934
- Issue date Oct 23, 1990
- Del Mar Avionics
- David P. Gregg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical recording system utilizing proportional real-time feedback...
- Patent number 4,908,815
- Issue date Mar 13, 1990
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc-shaped member
- Patent number 4,893,297
- Issue date Jan 9, 1990
- Discovision Associates
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Video record disc
- Patent number 4,819,223
- Issue date Apr 4, 1989
- Discovision Associates
- David P. Gregg
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for making a video record disc
- Patent number 4,615,753
- Issue date Oct 7, 1986
- Discovision Associates
- David P. Gregg
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for making a video record disc
- Patent number 4,500,484
- Issue date Feb 19, 1985
- Discovision Associates
- David P. Gregg
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for making video discs
- Patent number 4,342,714
- Issue date Aug 3, 1982
- David P. Gregg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

David P. Gregg

Person

Patents Grantslast 30 patents

Optical tape cartridge having improved tape movement mechanism

Optical tape duplicator

Shock-resistant, electrostatically actuated pick-up for optical rec...

Null inflection detection and pulse expand latch in an optical reco...

Shock-resistant, electrostatically actuated pick-up for optical rec...

Optical tape cartridge

Method for manufacturing a second surface optical storage device

Glass based optical disc manufacturing process

Optical disk manufacturing process

Optical recording system utilizing proportional real-time feedback...

Disc-shaped member

Video record disc

Process for making a video record disc

Process for making a video record disc

Process for making video discs