Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10054143 | Connector device for use in connecting elements of bracing systems and the like | — | 2018-08-21 |
| 9388841 | Ratcheting-type shrinkage compensating device for use in continuous tie-down systems | Noah S. Hill, John Duncan Pryor, Peter W. Schuyler | 2016-07-12 |
| 7044426 | Fitting for building structures and the like | Larry J. Simon, Jr., Douglas E. Weiland, Allen A. Spielberger, John Duncan Pryor | 2006-05-16 |
| 6971623 | Fitting for building structures and the like | Larry J. Simon, Jr., Douglas E. Weiland, Allen A. Spielberger, John Duncan Pryor | 2005-12-06 |
| D372960 | Pressed-in pipe plug | Allen A. Spielberger, Douglas E. Weiland | 1996-08-20 |