Patents by Inventor George E. Preston

George E. Preston has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Clamp component

Patent number: D313739

Type: Grant

Filed: August 5, 1987

Date of Patent: January 15, 1991

Inventor: George E. Preston
Combined cutting and piercing tool for opening a caulking tube

Patent number: D323451

Type: Grant

Filed: September 19, 1988

Date of Patent: January 28, 1992

Inventor: George E. Preston

Clamp component

Combined cutting and piercing tool for opening a caulking tube