Del Zotto; William M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Del Zotto; William M..The latest application filed is for "devices and processes for making concrete articles".
- Del Zotto; William M. - Gladewater TX
- Del Zotto; William M. - Duluth MN
- Del Zotto; William M. - Superior WI
| Patent | Date |
|---|---|
| Devices and Processes for Making Concrete Articles App 20200269467 - Del Zotto; William M. | 2020-08-27 |
| Devices and processes for making concrete articles Grant 10,703,013 - Del Zotto | 2020-07-07 |
| Devices and processes for making concrete articles Grant 10,493,656 - Del Zotto De | 2019-12-03 |
| Devices and Processes for Making Concrete Articles App 20190337187 - Del Zotto; William M. | 2019-11-07 |
| Devices and Processes for Making Concrete Articles App 20180215072 - Del Zotto; William M. | 2018-08-02 |
| Septic Tank Form App 20100308487 - Del Zotto; William M. | 2010-12-09 |
| Septic tank form Grant 7,731,149 - Del Zotto June 8, 2 | 2010-06-08 |
| Septic tank form App 20060065994 - Del Zotto; William M. | 2006-03-30 |
| Modular steel tank with casting wall Grant 5,881,760 - Del Zotto March 16, 1 | 1999-03-16 |
| Self-contained fueling system and method Grant 5,865,346 - Del Zotto February 2, 1 | 1999-02-02 |
| Modular curb and sewer casting form Grant 5,720,467 - Del Zotto February 24, 1 | 1998-02-24 |
| Compact reduction grinder Grant 5,645,234 - Del Zotto July 8, 1 | 1997-07-08 |
| Above-grade storage vault Grant 5,582,310 - Del Zotto December 10, 1 | 1996-12-10 |
| Above-grade storage vault Grant 5,285,914 - Del Zotto February 15, 1 | 1994-02-15 |
| Portable hydraulic shredder Grant 5,197,682 - Del Zotto March 30, 1 | 1993-03-30 |
| Method for casting a resilient bulkhead gasket Grant 5,171,507 - Del Zotto December 15, 1 | 1992-12-15 |
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