Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752315 | Guard apparatus for a curb inlet | — | 2017-09-05 |
| 6886577 | Product identification rings for below ground storage tanks | Elmer P. Klop | 2005-05-03 |
| 6523564 | Above ground overfill valve | — | 2003-02-25 |
| 6442769 | Mounting ring for water closet coupling | — | 2002-09-03 |
| 6435563 | Mounting ring for water closet coupling and method of installation | — | 2002-08-20 |
| 6155606 | Mounting ring for water closet coupling and method of installation | — | 2000-12-05 |
| 6029697 | Air vent for the auto limiter | Ian M. Taylor | 2000-02-29 |
| 5839465 | Above-ground tank auto-limiter | Rick E. Puffer, James F. Biesecker | 1998-11-24 |
| 5655565 | Above-ground tank auto-limiter | Rick E. Puffer, James F. Biesecker | 1997-08-12 |
| 5388622 | Automatic shutoff valve | — | 1995-02-14 |
| 5201151 | Manhole rim and cover assembly | Leo J. LeBlanc | 1993-04-13 |
| 4542551 | Rotary floor maintenance device | — | 1985-09-24 |
| 4501082 | Portable bench rest | F. Joseph Phillips, Peter J. Phillips, Brian Phillips | 1985-02-26 |
| 4337546 | Floor polisher support | — | 1982-07-06 |
| D259566 | Carpet extractor | — | 1981-06-16 |
| D258963 | Carpet extractor solution and recovery apparatus | — | 1981-04-21 |