Ralph W. Colpitts

Person

St. Louis, MO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Composite denture combining soft polyurethane and hard polymer comp...
- Patent number 4,360,344
- Issue date Nov 23, 1982
- Polythetics, Inc.
- Ralph Colpitts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Prosthetic denture prepared from polyurethane elastomer
- Patent number 4,281,992
- Issue date Aug 4, 1981
- Polythetics, Inc.
- Ralph W. Colpitts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Prosthetic denture prepared from polyurethane elastomer
- Patent number 4,225,696
- Issue date Sep 30, 1980
- Polythetics, Inc.
- Ralph W. Colpitts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dentures and process for making the same
- Patent number 4,115,488
- Issue date Sep 19, 1978
- Polythetics, Inc.
- Ralph W. Colpitts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dentures and process for making the same
- Patent number 4,080,412
- Issue date Mar 21, 1978
- Polythetics, Inc.
- Ralph W. Colpitts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dentures and process for making the same
- Patent number 4,024,637
- Issue date May 24, 1977
- Polythetics, Inc.
- Ralph W. Colpitts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dentures
- Patent number 4,024,636
- Issue date May 24, 1977
- Polythetics, Inc.
- Ralph W. Colpitts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Ralph W. Colpitts

Person

Patents Grantslast 30 patents

Composite denture combining soft polyurethane and hard polymer comp...

Prosthetic denture prepared from polyurethane elastomer

Prosthetic denture prepared from polyurethane elastomer

Dentures and process for making the same

Dentures and process for making the same

Dentures and process for making the same

Dentures