Patents by Inventor Philip L. Van Kersen

Philip L. Van Kersen 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).

Oral-type thermochromic fever indicator

Patent number: D242604

Type: Grant

Filed: January 10, 1975

Date of Patent: December 7, 1976

Inventor: Philip L. Van Kersen
Thermochromic wine bottle thermometer

Patent number: D242605

Type: Grant

Filed: May 30, 1975

Date of Patent: December 7, 1976

Inventor: Philip L. Van Kersen
Card-mounted thermometer

Patent number: D243512

Type: Grant

Filed: June 16, 1975

Date of Patent: March 1, 1977

Inventor: Philip L. Van Kersen
Thermochromic thermometer

Patent number: D244360

Type: Grant

Filed: September 8, 1975

Date of Patent: May 17, 1977

Inventor: Philip L. Van Kersen

Oral-type thermochromic fever indicator

Thermochromic wine bottle thermometer

Card-mounted thermometer

Thermochromic thermometer