U.S. patent number D327,476 [Application Number 07/309,542] was granted by the patent office on 1992-06-30 for digitizing stylus. This patent grant is currently assigned to Summagraphics Corporation. Invention is credited to Charles Merritt, William Valls.
United States Patent | D327,476 |
Valls , et al. | June 30, 1992 |
Inventors: | Valls; William (Harwinton, CT), Merritt; Charles (Southport, CT) |
---|---|
Assignee: | Summagraphics Corporation
(Seymour, CT) |
Appl. No.: | 07/309,542 |
Filed: | February 13, 1989 |
Current U.S. Class: | D14/411 |
Field of Search: | ;D14/114,116 ;D19/35,36,41-51,54-58 ;178/18,19 ;340/706,707,710 ;364/708,709 |
D212919 | December 1968 | Conley |
D216490 | January 1970 | Wakai |
D238690 | February 1976 | Pulos et al. |
D294263 | February 1988 | Rodgers et al. |
D299471 | January 1989 | Carver et al. |
D307421 | April 1990 | Tedham et al. |
4184044 | January 1980 | Zwerenz |
4268730 | May 1981 | Higgins et al. |
4532376 | July 1985 | Rockwell |
4707571 | November 1987 | Clements et al. |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.