Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676535 | Golf club head having a low and deep weight distribution | Jeffrey D. Sheets, Douglas J. Thiel | 2004-01-13 |
| D469836 | Pattern for sole plate of club head | Robert J. Mendralla, Jr., Douglas J. Thiel, Robert T. Thurman | 2003-02-04 |
| D469139 | Golf club head | Jeffrey D. Sheets, Douglas J. Thiel | 2003-01-21 |
| 5971865 | Golf club with oversize shaft | James L. Shenoha, Frank Garrett, Jr. | 1999-10-26 |
| 5632695 | Golf clubhead | Edward A. Hlinka, Dwight J. Niswander, Edward A. Schield, James L. Shenoha | 1997-05-27 |
| D378770 | Clubhead | Edward A. Hlinka, Dwight J. Niswander, Edward A. Schield, James L. Shenoha | 1997-04-08 |
| D375130 | Clubhead | Edward A. Hlinka, Dwight J. Niswander, Edward A. Schield, James L. Shenoha | 1996-10-29 |
| 5564711 | Multipurpose sports goal | — | 1996-10-15 |
| 5531446 | Golfer's putting aid | Paul Guy | 1996-07-02 |
| 5501460 | Golf club set with constant projected topline angle | — | 1996-03-26 |
| 5464217 | Open rail metal wood golf clubhead | James L. Shenoha | 1995-11-07 |
| D359784 | Golf club head | Dean E. Meyer | 1995-06-27 |
| 5224705 | Golf club head with high toe and low heel weighting | Thomas F. Hardman, Robert A. Mendralla | 1993-07-06 |
| D327109 | Golf club head | Thomas F. Hardman, Robert A. Mendralla | 1992-06-16 |
| 5120062 | Golf club head with high toe and low heel weighting | Thomas F. Hardman, Robert A. Mendralla | 1992-06-09 |
| D323689 | Golf club head | Thomas F. Hardman, Robert A. Mendralla | 1992-02-04 |
| D291107 | Golf club head | Robert A. Mendralla | 1987-07-28 |
| 4511148 | Scoop and cup device for playing a game | Homer C. Amos, Joseph C. Benedyk, William R. McGlove | 1985-04-16 |
| 4487788 | Method and apparatus for transferring the profile of conditioning material on a bowling lane surface | Howard Knoebel | 1984-12-11 |
| 4449712 | Method of playing a cestaball game with a scoop device | Joseph C. Benedyk, Homer C. Amos, William R. McGlone | 1984-05-22 |
| 4437010 | Method and apparatus for analyzing conditioner on a bowling lane surface | G. Arnold Muma | 1984-03-13 |
| 4334681 | Game apparatus for use with a paddle and a ball | — | 1982-06-15 |