| 7500699 |
Clamping mechanical pipe coupling derived from a standard fitting |
Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole, Terrance M. Carom |
2009-03-10 |
| 7121593 |
Triple-expanded mechanical pipe coupling derived from a standard fitting |
Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole, Terrance M. Carom |
2006-10-17 |
| 6993848 |
Pipe preparation device |
Douglas R. Dole |
2006-02-07 |
| 6935152 |
Orbiting roller groover for pipe |
Douglas R. Dole |
2005-08-30 |
| 6918278 |
Pipe preparation tool adaptable for different diameter pipes |
Douglas R. Dole |
2005-07-19 |
| 6913292 |
Mechanical pipe coupling derived from a standard fitting |
Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole, Terrance M. Carom |
2005-07-05 |
| D495404 |
Pipe coupling |
Charles E. Wilk, Jr., Douglas R. Dole, Lawrence W. Thau, Jr. |
2004-08-31 |
| D493512 |
Pipe coupling |
Douglas R. Dole, Charles E. Wilk, Jr., Lawrence W. Thau, Jr. |
2004-07-27 |
| D493214 |
Pipe coupling |
Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole |
2004-07-20 |
| D484576 |
Patterned internal end band for fittings |
Douglas R. Dole |
2003-12-30 |
| D483441 |
Pipe coupling |
Douglas R. Dole, Charles E. Wilk, Jr., Lawrence W. Thau, Jr. |
2003-12-09 |
| D483095 |
Pipe coupling |
Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole |
2003-12-02 |
| D483094 |
Pipe coupling |
Charles E. Wilk, Jr., Douglas R. Dole, Lawrence W. Thau, Jr. |
2003-12-02 |
| D482103 |
Elbow coupling |
Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole |
2003-11-11 |
| D481447 |
Elbow coupling |
Douglas R. Dole, Charles E. Wilk, Jr., Lawrence W. Thau, Jr. |
2003-10-28 |
| D481110 |
Tee coupling |
Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole |
2003-10-21 |
| D481109 |
Tee coupling |
Douglas R. Dole, Charles E. Wilk, Jr., Lawrence W. Thau, Jr. |
2003-10-21 |
| D480787 |
Elbow coupling |
Charles E. Wilk, Jr., Douglas R. Dole, Lawrence W. Thau, Jr. |
2003-10-14 |
| D480786 |
Tee coupling |
Charles E. Wilk, Jr., Douglas R. Dole, Lawrence W. Thau, Jr. |
2003-10-14 |
| 6499771 |
Mechanical pipe coupling with toothed retainer |
Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole |
2002-12-31 |
| 5713972 |
Particulate matter filtration system |
— |
1998-02-03 |
| 5398590 |
Self-powered ammunition feed and storage canister |
— |
1995-03-21 |
| 5144097 |
Carrier clip apparatus for linear linkless ammunition systems |
— |
1992-09-01 |
| 4345504 |
Gun mount |
Robert G. Kirkpatrick |
1982-08-24 |
| 4329907 |
Gun bolt for high rate of fire revolving battery guns |
Robert G. Kirkpatrick, Lincoln L. Sibley, Jr. |
1982-05-18 |
