Knop; Karl H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Knop; Karl H..The latest application filed is for "apparatus and method for optical dimension measurement using interference of scattered electromagnetic energy".

Company Profile

0.11.0

Knop; Karl H. - Zurich CH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Apparatus and method for optical dimension measurement using interference of scattered electromagnetic energy Grant 4,964,726 - Kleinknecht , et al. October 23, 1	1990-10-23
Method and apparatus for forming large area high resolution patterns Grant 4,668,080 - Gale , et al. May 26, 1	1987-05-26
Secure document identification technique Grant 4,661,983 - Knop April 28, 1	1987-04-28
Encoding pattern for single chip CCD camera processing scheme Grant 4,591,900 - Heeb , et al. May 27, 1	1986-05-27
Reflective diffractive authenticating device Grant 4,576,439 - Gale , et al. March 18, 1	1986-03-18
Diffractive color separation filter Grant 4,506,949 - Knop March 26, 1	1985-03-26
Diffractive subtractive color filter responsive to angle of incidence of polychromatic illuminating light Grant 4,484,797 - Knop , et al. November 27, 1	1984-11-27
Semi-thick transmissive and reflective sinusoidal phase grating structures Grant 4,426,130 - Knop January 17, 1	1984-01-17
Multiple image encoding using surface relief structures as authenticating device for sheet-material authenticated item Grant 4,417,784 - Knop , et al. November 29, 1	1983-11-29
Solid-state, color-encoding television camera Grant 4,318,123 - Knop March 2, 1	1982-03-02
Diffractive color filter Grant 4,255,019 - Knop March 10, 1	1981-03-10

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.