loadpatents
name:-0.00033307075500488
name:-0.004295825958252
name:-0.00032901763916016
Rolph; Donald L. Patent Filings

Rolph; Donald L.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Rolph; Donald L..The latest application filed is for "removable cartridge disc drive with radial arm voice coil actuator".

Company Profile
0.6.0
  • Rolph; Donald L. - Pleasanton CA
  • Rolph; Donald L. - Fairport NY
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Removable cartridge disc drive with radial arm voice coil actuator
Grant 4,965,685 - Thompson , et al. October 23, 1
1990-10-23
Removable cartridge disc drive with radial arm voice coil actuator
Grant 4,870,518 - Thompson , et al. September 26, 1
1989-09-26
Removable cartridge with lockable access door
Grant 4,864,452 - Thompson , et al. September 5, 1
1989-09-05
Flexible magnetic recording disc drive with interlock to protect recording disc cartridge
Grant 4,179,718 - Rolph December 18, 1
1979-12-18
Apparatus for centering and clamping a flexible magnetic recording disc
Grant 4,125,883 - Rolph November 14, 1
1978-11-14
Margin Control Structure
Grant 3,572,487 - Rolph , et al. March 30, 1
1971-03-30

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.

© 2024 USPTO.report | Privacy Policy | Resources | RSS Feed of Trademarks | Trademark Filings Twitter Feed