Logsdon; Duane D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Logsdon; Duane D..The latest application filed is for "roof drain structure".
- Logsdon; Duane D. - Fullerton CA
- Logsdon; Duane D. - Stanton CA
| Patent | Date |
|---|---|
| Roof drain structure Grant 5,378,356 - Logsdon January 3, 1 | 1995-01-03 |
| Barrier mold for forming openings in concrete structures Grant 5,072,911 - Logsdon December 17, 1 | 1991-12-17 |
| Seal structures for flanges having bowed sealing surfaces Grant 5,052,726 - Logsdon October 1, 1 | 1991-10-01 |
| Tub boxes Grant 4,925,045 - Logsdon May 15, 1 | 1990-05-15 |
| Pipe holders Grant 4,903,921 - Logsdon February 27, 1 | 1990-02-27 |
| Pipe plugs Grant 4,768,560 - Logsdon September 6, 1 | 1988-09-06 |
| Pipe hangers Grant 4,768,741 - Logsdon September 6, 1 | 1988-09-06 |
| Tub box Grant 4,742,585 - Logsdon May 10, 1 | 1988-05-10 |
| Fluid control valve Grant 4,611,626 - Logsdon September 16, 1 | 1986-09-16 |
| Miniature washing machine box Grant 4,564,249 - Logsdon January 14, 1 | 1986-01-14 |
| Drain grate with adjustable weirs Grant 4,525,273 - Logsdon June 25, 1 | 1985-06-25 |
| Sump or flush installable roof drain Grant 4,487,690 - Logsdon December 11, 1 | 1984-12-11 |
| Pipe hanger capable of totally encircling a pipe Grant 4,442,994 - Logsdon April 17, 1 | 1984-04-17 |
| Drain grate with adjustable weirs Grant 4,400,272 - Logsdon August 23, 1 | 1983-08-23 |
| Expansion coupling for large diameter plastic pipes Grant 4,350,372 - Logsdon September 21, 1 | 1982-09-21 |
| Roof flashing structures Grant 4,265,058 - Logsdon May 5, 1 | 1981-05-05 |
| Pipe test cap Grant D257,057 - Logsdon September 23, 1 | 1980-09-23 |
| Water closet protector stabilizer Grant 4,212,486 - Logsdon July 15, 1 | 1980-07-15 |
| Roof flashing structure Grant 4,160,347 - Logsdon July 10, 1 | 1979-07-10 |
| Washing machine outlet box Grant 4,158,471 - Logsdon June 19, 1 | 1979-06-19 |
| Roof flashing structure Grant 4,010,578 - Logsdon March 8, 1 | 1977-03-08 |
| Plumbing structure Grant 3,884,438 - Logsdon May 20, 1 | 1975-05-20 |
| Washing Machine Connection Structure Grant 3,834,781 - Logsdon September 10, 1 | 1974-09-10 |
| Pipe Protector Grant 3,823,744 - Logsdon July 16, 1 | 1974-07-16 |
| Closure For Pipe And Pipe Fittings Grant 3,807,457 - Logsdon April 30, 1 | 1974-04-30 |
| Pipe Clamp Grant 3,684,223 - Logsdon August 15, 1 | 1972-08-15 |
| Pipe Holder Grant 3,684,220 - Logsdon August 15, 1 | 1972-08-15 |
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.
| 