Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513852 | Exercise device having position verification feedback | Vaughan Scott | 2009-04-07 |
| 7082828 | Laser measurement of liquid level in a holder | — | 2006-08-01 |
| 6792639 | Portable cleaning apparatus | — | 2004-09-21 |
| 6715437 | Liquid-cargo loss detection gauge | — | 2004-04-06 |
| 6594843 | Portable cleaning apparatus | — | 2003-07-22 |
| 6446307 | Manway lid lifter | — | 2002-09-10 |
| 6368474 | Chlorine generator | — | 2002-04-09 |
| 6289728 | Apparatus and method for determining the amount of liquid contained in a storage tank | — | 2001-09-18 |
| 6237626 | Remote valve position indicator | — | 2001-05-29 |
| 6223596 | Portable clamp-on liquid level indicator gauge | — | 2001-05-01 |
| 6216623 | Tanker void space leakage detector system | — | 2001-04-17 |
| 6148758 | Boat anchor | — | 2000-11-21 |
| 5975104 | Ball valve seal replacement apparatus and method | — | 1999-11-02 |
| 5960823 | Tank vacuum limiter assembly | — | 1999-10-05 |
| 5900546 | Liquid level indicator for storage tank | — | 1999-05-04 |
| 5294917 | Liquid level sensor using float and magnetic means | — | 1994-03-15 |
| 5284105 | Sight glass assembly and wiper for cargo holds | — | 1994-02-08 |
| 5205311 | Compound lever controlled spill valve | — | 1993-04-27 |
| 5201131 | Coordinate measuring machine | — | 1993-04-13 |
| 5158104 | Pilot-operated spill valve assembly | — | 1992-10-27 |
| 4848004 | Coordinate measuring machine | — | 1989-07-18 |
| 4785550 | Workpiece stop gauge for horizontal band saw | — | 1988-11-22 |
| 4580933 | Cutting tool accessory | — | 1986-04-08 |
| 4525931 | Gage assembly | — | 1985-07-02 |
| D270059 | Combined tool holder and cutting inserts therefor | — | 1983-08-09 |